/*!
 * OverlayScrollbars
 * https://github.com/KingSora/OverlayScrollbars
 *
 * Version: 1.13.0
 *
 * Copyright KingSora | Rene Haas.
 * https://github.com/KingSora
 *
 * Released under the MIT license.
 * Date: 02.08.2020
 */

(function (global, factory) {
  if (typeof define === 'function' && define.amd)
    define(['jquery'], function (framework) {
      return factory(global, global.document, undefined, framework);
    });
  else if (typeof module === 'object' && typeof module.exports === 'object')
    module.exports = factory(global, global.document, undefined, require('jquery'));
  else
    factory(global, global.document, undefined, global.jQuery);
}(typeof window !== 'undefined' ? window : this,
  function (window, document, undefined, framework) {
    'use strict';
    var PLUGINNAME = 'OverlayScrollbars';
    var TYPES = {
      o: 'object',
      f: 'function',
      a: 'array',
      s: 'string',
      b: 'boolean',
      n: 'number',
      u: 'undefined',
      z: 'null'
      //d : 'date',
      //e : 'error',
      //r : 'regexp',
      //y : 'symbol'
    };
    var LEXICON = {
      c: 'class',
      s: 'style',
      i: 'id',
      l: 'length',
      p: 'prototype',
      ti: 'tabindex',
      oH: 'offsetHeight',
      cH: 'clientHeight',
      sH: 'scrollHeight',
      oW: 'offsetWidth',
      cW: 'clientWidth',
      sW: 'scrollWidth',
      hOP: 'hasOwnProperty',
      bCR: 'getBoundingClientRect'
    };
    var VENDORS = (function () {
      //https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix
      var jsCache = {};
      var cssCache = {};
      var cssPrefixes = ['-webkit-', '-moz-', '-o-', '-ms-'];
      var jsPrefixes = ['WebKit', 'Moz', 'O', 'MS'];

      function firstLetterToUpper(str) {
        return str.charAt(0).toUpperCase() + str.slice(1);
      }

      return {
        _cssPrefixes: cssPrefixes,
        _jsPrefixes: jsPrefixes,
        _cssProperty: function (name) {
          var result = cssCache[name];

          if (cssCache[LEXICON.hOP](name))
            return result;

          var uppercasedName = firstLetterToUpper(name);
          var elmStyle = document.createElement('div')[LEXICON.s];
          var resultPossibilities;
          var i = 0;
          var v;
          var currVendorWithoutDashes;

          for (; i < cssPrefixes.length; i++) {
            currVendorWithoutDashes = cssPrefixes[i].replace(/-/g, '');
            resultPossibilities = [
              name, //transition
              cssPrefixes[i] + name, //-webkit-transition
              currVendorWithoutDashes + uppercasedName, //webkitTransition
              firstLetterToUpper(currVendorWithoutDashes) + uppercasedName //WebkitTransition
            ];
            for (v = 0; v < resultPossibilities[LEXICON.l]; v++) {
              if (elmStyle[resultPossibilities[v]] !== undefined) {
                result = resultPossibilities[v];
                break;
              }
            }
          }

          cssCache[name] = result;
          return result;
        },
        _cssPropertyValue: function (property, values, suffix) {
          var name = property + ' ' + values;
          var result = cssCache[name];

          if (cssCache[LEXICON.hOP](name))
            return result;

          var dummyStyle = document.createElement('div')[LEXICON.s];
          var possbleValues = values.split(' ');
          var preparedSuffix = suffix || '';
          var i = 0;
          var v = -1;
          var prop;

          for (; i < possbleValues[LEXICON.l]; i++) {
            for (; v < VENDORS._cssPrefixes[LEXICON.l]; v++) {
              prop = v < 0 ? possbleValues[i] : VENDORS._cssPrefixes[v] + possbleValues[i];
              dummyStyle.cssText = property + ':' + prop + preparedSuffix;
              if (dummyStyle[LEXICON.l]) {
                result = prop;
                break;
              }
            }
          }

          cssCache[name] = result;
          return result;
        },
        _jsAPI: function (name, isInterface, fallback) {
          var i = 0;
          var result = jsCache[name];

          if (!jsCache[LEXICON.hOP](name)) {
            result = window[name];
            for (; i < jsPrefixes[LEXICON.l]; i++)
              result = result || window[(isInterface ? jsPrefixes[i] : jsPrefixes[i].toLowerCase()) + firstLetterToUpper(name)];
            jsCache[name] = result;
          }
          return result || fallback;
        }
      }
    })();
    var COMPATIBILITY = (function () {
      function windowSize(x) {
        return x ? window.innerWidth || document.documentElement[LEXICON.cW] || document.body[LEXICON.cW] : window.innerHeight || document.documentElement[LEXICON.cH] || document.body[LEXICON.cH];
      }

      function bind(func, thisObj) {
        if (typeof func != TYPES.f) {
          throw "Can't bind function!";
          // closest thing possible to the ECMAScript 5
          // internal IsCallable function
          //throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
        }
        var proto = LEXICON.p;
        var aArgs = Array[proto].slice.call(arguments, 2);
        var fNOP = function () {
        };
        var fBound = function () {
          return func.apply(this instanceof fNOP ? this : thisObj, aArgs.concat(Array[proto].slice.call(arguments)));
        };

        if (func[proto])
          fNOP[proto] = func[proto]; // Function.prototype doesn't have a prototype property
        fBound[proto] = new fNOP();

        return fBound;
      }

      return {
        /**
         * Gets the current window width.
         * @returns {Number|number} The current window width in pixel.
         */
        wW: bind(windowSize, 0, true),

        /**
         * Gets the current window height.
         * @returns {Number|number} The current window height in pixel.
         */
        wH: bind(windowSize, 0),

        /**
         * Gets the MutationObserver Object or undefined if not supported.
         * @returns {MutationObserver|*|undefined} The MutationsObserver Object or undefined.
         */
        mO: bind(VENDORS._jsAPI, 0, 'MutationObserver', true),

        /**
         * Gets the ResizeObserver Object or undefined if not supported.
         * @returns {MutationObserver|*|undefined} The ResizeObserver Object or undefined.
         */
        rO: bind(VENDORS._jsAPI, 0, 'ResizeObserver', true),

        /**
         * Gets the RequestAnimationFrame method or it's corresponding polyfill.
         * @returns {*|Function} The RequestAnimationFrame method or it's corresponding polyfill.
         */
        rAF: bind(VENDORS._jsAPI, 0, 'requestAnimationFrame', false, function (func) {
          return window.setTimeout(func, 1000 / 60);
        }),

        /**
         * Gets the CancelAnimationFrame method or it's corresponding polyfill.
         * @returns {*|Function} The CancelAnimationFrame method or it's corresponding polyfill.
         */
        cAF: bind(VENDORS._jsAPI, 0, 'cancelAnimationFrame', false, function (id) {
          return window.clearTimeout(id);
        }),

        /**
         * Gets the current time.
         * @returns {number} The current time.
         */
        now: function () {
          return Date.now && Date.now() || new Date().getTime();
        },

        /**
         * Stops the propagation of the given event.
         * @param event The event of which the propagation shall be stoped.
         */
        stpP: function (event) {
          if (event.stopPropagation)
            event.stopPropagation();
          else
            event.cancelBubble = true;
        },

        /**
         * Prevents the default action of the given event.
         * @param event The event of which the default action shall be prevented.
         */
        prvD: function (event) {
          if (event.preventDefault && event.cancelable)
            event.preventDefault();
          else
            event.returnValue = false;
        },

        /**
         * Gets the pageX and pageY values of the given mouse event.
         * @param event The mouse event of which the pageX and pageX shall be got.
         * @returns {{x: number, y: number}} x = pageX value, y = pageY value.
         */
        page: function (event) {
          event = event.originalEvent || event;

          var strPage = 'page';
          var strClient = 'client';
          var strX = 'X';
          var strY = 'Y';
          var target = event.target || event.srcElement || document;
          var eventDoc = target.ownerDocument || document;
          var doc = eventDoc.documentElement;
          var body = eventDoc.body;

          //if touch event return return pageX/Y of it
          if (event.touches !== undefined) {
            var touch = event.touches[0];
            return {
              x: touch[strPage + strX],
              y: touch[strPage + strY]
            }
          }

          // Calculate pageX/Y if not native supported
          if (!event[strPage + strX] && event[strClient + strX] && event[strClient + strX] != null) {

            return {
              x: event[strClient + strX] +
                (doc && doc.scrollLeft || body && body.scrollLeft || 0) -
                (doc && doc.clientLeft || body && body.clientLeft || 0),
              y: event[strClient + strY] +
                (doc && doc.scrollTop || body && body.scrollTop || 0) -
                (doc && doc.clientTop || body && body.clientTop || 0)
            }
          }
          return {
            x: event[strPage + strX],
            y: event[strPage + strY]
          };
        },

        /**
         * Gets the clicked mouse button of the given mouse event.
         * @param event The mouse event of which the clicked button shal be got.
         * @returns {number} The number of the clicked mouse button. (0 : none | 1 : leftButton | 2 : middleButton | 3 : rightButton)
         */
        mBtn: function (event) {
          var button = event.button;
          if (!event.which && button !== undefined)
            return (button & 1 ? 1 : (button & 2 ? 3 : (button & 4 ? 2 : 0)));
          else
            return event.which;
        },

        /**
         * Checks whether a item is in the given array and returns its index.
         * @param item The item of which the position in the array shall be determined.
         * @param arr The array.
         * @returns {number} The zero based index of the item or -1 if the item isn't in the array.
         */
        inA: function (item, arr) {
          for (var i = 0; i < arr[LEXICON.l]; i++)
            //Sometiems in IE a "SCRIPT70" Permission denied error occurs if HTML elements in a iFrame are compared
            try {
              if (arr[i] === item)
                return i;
            } catch (e) {
            }
          return -1;
        },

        /**
         * Returns true if the given value is a array.
         * @param arr The potential array.
         * @returns {boolean} True if the given value is a array, false otherwise.
         */
        isA: function (arr) {
          var def = Array.isArray;
          return def ? def(arr) : this.type(arr) == TYPES.a;
        },

        /**
         * Determine the internal JavaScript [[Class]] of the given object.
         * @param obj The object of which the type shall be determined.
         * @returns {string} The type of the given object.
         */
        type: function (obj) {
          if (obj === undefined)
            return obj + '';
          if (obj === null)
            return obj + '';
          return Object[LEXICON.p].toString.call(obj).replace(/^\[object (.+)\]$/, '$1').toLowerCase();
        },


        bind: bind

        /**
         * Gets the vendor-prefixed CSS property by the given name.
         * For example the given name is "transform" and you're using a old Firefox browser then the returned value would be "-moz-transform".
         * If the browser doesn't need a vendor-prefix, then the returned string is the given name.
         * If the browser doesn't support the given property name at all (not even with a vendor-prefix) the returned value is null.
         * @param propName The unprefixed CSS property name.
         * @returns {string|null} The vendor-prefixed CSS property or null if the browser doesn't support the given CSS property.

         cssProp: function(propName) {
                    return VENDORS._cssProperty(propName);
                }
         */
      }
    })();

    var MATH = Math;
    var JQUERY = framework;
    var EASING = framework.easing;
    var FRAMEWORK = framework;
    var INSTANCES = (function () {
      var _targets = [];
      var _instancePropertyString = '__overlayScrollbars__';

      /**
       * Register, unregister or get a certain (or all) instances.
       * Register: Pass the target and the instance.
       * Unregister: Pass the target and null.
       * Get Instance: Pass the target from which the instance shall be got.
       * Get Targets: Pass no arguments.
       * @param target The target to which the instance shall be registered / from which the instance shall be unregistered / the instance shall be got
       * @param instance The instance.
       * @returns {*|void} Returns the instance from the given target.
       */
      return function (target, instance) {
        var argLen = arguments[LEXICON.l];
        if (argLen < 1) {
          //return all targets
          return _targets;
        } else {
          if (instance) {
            //register instance
            target[_instancePropertyString] = instance;
            _targets.push(target);
          } else {
            var index = COMPATIBILITY.inA(target, _targets);
            if (index > -1) {
              if (argLen > 1) {
                //unregister instance
                delete target[_instancePropertyString];
                _targets.splice(index, 1);
              } else {
                //get instance from target
                return _targets[index][_instancePropertyString];
              }
            }
          }
        }
      }
    })();
    var PLUGIN = (function () {
      var _plugin;
      var _pluginsGlobals;
      var _pluginsAutoUpdateLoop;
      var _pluginsExtensions = [];
      var _pluginsOptions = (function () {
        var type = COMPATIBILITY.type;
        var possibleTemplateTypes = [
          TYPES.b, //boolean
          TYPES.n, //number
          TYPES.s, //string
          TYPES.a, //array
          TYPES.o, //object
          TYPES.f, //function
          TYPES.z  //null
        ];
        var restrictedStringsSplit = ' ';
        var restrictedStringsPossibilitiesSplit = ':';
        var classNameAllowedValues = [TYPES.z, TYPES.s];
        var numberAllowedValues = TYPES.n;
        var booleanNullAllowedValues = [TYPES.z, TYPES.b];
        var booleanTrueTemplate = [true, TYPES.b];
        var booleanFalseTemplate = [false, TYPES.b];
        var callbackTemplate = [null, [TYPES.z, TYPES.f]];
        var updateOnLoadTemplate = [['img'], [TYPES.s, TYPES.a, TYPES.z]];
        var inheritedAttrsTemplate = [['style', 'class'], [TYPES.s, TYPES.a, TYPES.z]];
        var resizeAllowedValues = 'n:none b:both h:horizontal v:vertical';
        var overflowBehaviorAllowedValues = 'v-h:visible-hidden v-s:visible-scroll s:scroll h:hidden';
        var scrollbarsVisibilityAllowedValues = 'v:visible h:hidden a:auto';
        var scrollbarsAutoHideAllowedValues = 'n:never s:scroll l:leave m:move';
        var optionsDefaultsAndTemplate = {
          className: ['os-theme-dark', classNameAllowedValues],                //null || string
          resize: ['none', resizeAllowedValues],                               //none || both  || horizontal || vertical || n || b || h || v
          sizeAutoCapable: booleanTrueTemplate,                                //true || false
          clipAlways: booleanTrueTemplate,                                     //true || false
          normalizeRTL: booleanTrueTemplate,                                   //true || false
          paddingAbsolute: booleanFalseTemplate,                               //true || false
          autoUpdate: [null, booleanNullAllowedValues],                        //true || false || null
          autoUpdateInterval: [33, numberAllowedValues],                       //number
          updateOnLoad: updateOnLoadTemplate,                                  //string || array || null
          nativeScrollbarsOverlaid: {
            showNativeScrollbars: booleanFalseTemplate,                      //true || false
            initialize: booleanTrueTemplate                                  //true || false
          },
          overflowBehavior: {
            x: ['scroll', overflowBehaviorAllowedValues],                    //visible-hidden  || visible-scroll || hidden || scroll || v-h || v-s || h || s
            y: ['scroll', overflowBehaviorAllowedValues]                     //visible-hidden  || visible-scroll || hidden || scroll || v-h || v-s || h || s
          },
          scrollbars: {
            visibility: ['auto', scrollbarsVisibilityAllowedValues],         //visible || hidden || auto || v || h || a
            autoHide: ['never', scrollbarsAutoHideAllowedValues],            //never || scroll || leave || move || n || s || l || m
            autoHideDelay: [800, numberAllowedValues],                       //number
            dragScrolling: booleanTrueTemplate,                              //true || false
            clickScrolling: booleanFalseTemplate,                            //true || false
            touchSupport: booleanTrueTemplate,                               //true || false
            snapHandle: booleanFalseTemplate                                 //true || false
          },
          textarea: {
            dynWidth: booleanFalseTemplate,                                  //true || false
            dynHeight: booleanFalseTemplate,                                 //true || false
            inheritedAttrs: inheritedAttrsTemplate                           //string || array || null
          },
          callbacks: {
            onInitialized: callbackTemplate,                                 //null || function
            onInitializationWithdrawn: callbackTemplate,                     //null || function
            onDestroyed: callbackTemplate,                                   //null || function
            onScrollStart: callbackTemplate,                                 //null || function
            onScroll: callbackTemplate,                                      //null || function
            onScrollStop: callbackTemplate,                                  //null || function
            onOverflowChanged: callbackTemplate,                             //null || function
            onOverflowAmountChanged: callbackTemplate,                       //null || function
            onDirectionChanged: callbackTemplate,                            //null || function
            onContentSizeChanged: callbackTemplate,                          //null || function
            onHostSizeChanged: callbackTemplate,                             //null || function
            onUpdated: callbackTemplate                                      //null || function
          }
        };
        var convert = function (template) {
          var recursive = function (obj) {
            var key;
            var val;
            var valType;
            for (key in obj) {
              if (!obj[LEXICON.hOP](key))
                continue;
              val = obj[key];
              valType = type(val);
              if (valType == TYPES.a)
                obj[key] = val[template ? 1 : 0];
              else if (valType == TYPES.o)
                obj[key] = recursive(val);
            }
            return obj;
          };
          return recursive(FRAMEWORK.extend(true, {}, optionsDefaultsAndTemplate));
        };

        return {
          _defaults: convert(),

          _template: convert(true),

          /**
           * Validates the passed object by the passed template.
           * @param obj The object which shall be validated.
           * @param template The template which defines the allowed values and types.
           * @param writeErrors True if errors shall be logged to the console.
           * @param diffObj If a object is passed then only valid differences to this object will be returned.
           * @returns {{}} A object which contains two objects called "default" and "prepared" which contains only the valid properties of the passed original object and discards not different values compared to the passed diffObj.
           */
          _validate: function (obj, template, writeErrors, diffObj) {
            var validatedOptions = {};
            var validatedOptionsPrepared = {};
            var objectCopy = FRAMEWORK.extend(true, {}, obj);
            var inArray = FRAMEWORK.inArray;
            var isEmptyObj = FRAMEWORK.isEmptyObject;
            var checkObjectProps = function (data, template, diffData, validatedOptions, validatedOptionsPrepared, prevPropName) {
              for (var prop in template) {
                if (template[LEXICON.hOP](prop) && data[LEXICON.hOP](prop)) {
                  var isValid = false;
                  var isDiff = false;
                  var templateValue = template[prop];
                  var templateValueType = type(templateValue);
                  var templateIsComplex = templateValueType == TYPES.o;
                  var templateTypes = !COMPATIBILITY.isA(templateValue) ? [templateValue] : templateValue;
                  var dataDiffValue = diffData[prop];
                  var dataValue = data[prop];
                  var dataValueType = type(dataValue);
                  var propPrefix = prevPropName ? prevPropName + '.' : '';
                  var error = "The option \"" + propPrefix + prop + "\" wasn't set, because";
                  var errorPossibleTypes = [];
                  var errorRestrictedStrings = [];
                  var restrictedStringValuesSplit;
                  var restrictedStringValuesPossibilitiesSplit;
                  var isRestrictedValue;
                  var mainPossibility;
                  var currType;
                  var i;
                  var v;
                  var j;

                  dataDiffValue = dataDiffValue === undefined ? {} : dataDiffValue;

                  //if the template has a object as value, it means that the options are complex (verschachtelt)
                  if (templateIsComplex && dataValueType == TYPES.o) {
                    validatedOptions[prop] = {};
                    validatedOptionsPrepared[prop] = {};
                    checkObjectProps(dataValue, templateValue, dataDiffValue, validatedOptions[prop], validatedOptionsPrepared[prop], propPrefix + prop);
                    FRAMEWORK.each([data, validatedOptions, validatedOptionsPrepared], function (index, value) {
                      if (isEmptyObj(value[prop])) {
                        delete value[prop];
                      }
                    });
                  } else if (!templateIsComplex) {
                    for (i = 0; i < templateTypes[LEXICON.l]; i++) {
                      currType = templateTypes[i];
                      templateValueType = type(currType);
                      //if currtype is string and starts with restrictedStringPrefix and end with restrictedStringSuffix
                      isRestrictedValue = templateValueType == TYPES.s && inArray(currType, possibleTemplateTypes) === -1;
                      if (isRestrictedValue) {
                        errorPossibleTypes.push(TYPES.s);

                        //split it into a array which contains all possible values for example: ["y:yes", "n:no", "m:maybe"]
                        restrictedStringValuesSplit = currType.split(restrictedStringsSplit);
                        errorRestrictedStrings = errorRestrictedStrings.concat(restrictedStringValuesSplit);
                        for (v = 0; v < restrictedStringValuesSplit[LEXICON.l]; v++) {
                          //split the possible values into their possibiliteis for example: ["y", "yes"] -> the first is always the mainPossibility
                          restrictedStringValuesPossibilitiesSplit = restrictedStringValuesSplit[v].split(restrictedStringsPossibilitiesSplit);
                          mainPossibility = restrictedStringValuesPossibilitiesSplit[0];
                          for (j = 0; j < restrictedStringValuesPossibilitiesSplit[LEXICON.l]; j++) {
                            //if any possibility matches with the dataValue, its valid
                            if (dataValue === restrictedStringValuesPossibilitiesSplit[j]) {
                              isValid = true;
                              break;
                            }
                          }
                          if (isValid)
                            break;
                        }
                      } else {
                        errorPossibleTypes.push(currType);

                        if (dataValueType === currType) {
                          isValid = true;
                          break;
                        }
                      }
                    }

                    if (isValid) {
                      isDiff = dataValue !== dataDiffValue;

                      if (isDiff)
                        validatedOptions[prop] = dataValue;

                      if (isRestrictedValue ? inArray(dataDiffValue, restrictedStringValuesPossibilitiesSplit) < 0 : isDiff)
                        validatedOptionsPrepared[prop] = isRestrictedValue ? mainPossibility : dataValue;
                    } else if (writeErrors) {
                      console.warn(error + " it doesn't accept the type [ " + dataValueType.toUpperCase() + " ] with the value of \"" + dataValue + "\".\r\n" +
                        "Accepted types are: [ " + errorPossibleTypes.join(', ').toUpperCase() + " ]." +
                        (errorRestrictedStrings[length] > 0 ? "\r\nValid strings are: [ " + errorRestrictedStrings.join(', ').split(restrictedStringsPossibilitiesSplit).join(', ') + " ]." : ''));
                    }
                    delete data[prop];
                  }
                }
              }
            };
            checkObjectProps(objectCopy, template, diffObj || {}, validatedOptions, validatedOptionsPrepared);

            //add values which aren't specified in the template to the finished validated object to prevent them from being discarded
            /*
                        if(keepForeignProps) {
                            FRAMEWORK.extend(true, validatedOptions, objectCopy);
                            FRAMEWORK.extend(true, validatedOptionsPrepared, objectCopy);
                        }
                        */

            if (!isEmptyObj(objectCopy) && writeErrors)
              console.warn('The following options are discarded due to invalidity:\r\n' + window.JSON.stringify(objectCopy, null, 2));

            return {
              _default: validatedOptions,
              _prepared: validatedOptionsPrepared
            };
          }
        }
      }());

      /**
       * Initializes the object which contains global information about the plugin and each instance of it.
       */
      function initOverlayScrollbarsStatics() {
        if (!_pluginsGlobals)
          _pluginsGlobals = new OverlayScrollbarsGlobals(_pluginsOptions._defaults);
        if (!_pluginsAutoUpdateLoop)
          _pluginsAutoUpdateLoop = new OverlayScrollbarsAutoUpdateLoop(_pluginsGlobals);
      }

      /**
       * The global object for the OverlayScrollbars objects. It contains resources which every OverlayScrollbars object needs. This object is initialized only once: if the first OverlayScrollbars object gets initialized.
       * @param defaultOptions
       * @constructor
       */
      function OverlayScrollbarsGlobals(defaultOptions) {
        var _base = this;
        var strOverflow = 'overflow';
        var strHidden = 'hidden';
        var strScroll = 'scroll';
        var bodyElement = FRAMEWORK('body');
        var scrollbarDummyElement = FRAMEWORK('<div id="os-dummy-scrollbar-size"><div></div></div>');
        var scrollbarDummyElement0 = scrollbarDummyElement[0];
        var dummyContainerChild = FRAMEWORK(scrollbarDummyElement.children('div').eq(0));

        bodyElement.append(scrollbarDummyElement);
        scrollbarDummyElement.hide().show(); //fix IE8 bug (incorrect measuring)

        var nativeScrollbarSize = calcNativeScrollbarSize(scrollbarDummyElement0);
        var nativeScrollbarIsOverlaid = {
          x: nativeScrollbarSize.x === 0,
          y: nativeScrollbarSize.y === 0
        };
        var msie = (function () {
          var ua = window.navigator.userAgent;
          var strIndexOf = 'indexOf';
          var strSubString = 'substring';
          var msie = ua[strIndexOf]('MSIE ');
          var trident = ua[strIndexOf]('Trident/');
          var edge = ua[strIndexOf]('Edge/');
          var rv = ua[strIndexOf]('rv:');
          var result;
          var parseIntFunc = parseInt;

          // IE 10 or older => return version number
          if (msie > 0)
            result = parseIntFunc(ua[strSubString](msie + 5, ua[strIndexOf]('.', msie)), 10);

          // IE 11 => return version number
          else if (trident > 0)
            result = parseIntFunc(ua[strSubString](rv + 3, ua[strIndexOf]('.', rv)), 10);

          // Edge (IE 12+) => return version number
          else if (edge > 0)
            result = parseIntFunc(ua[strSubString](edge + 5, ua[strIndexOf]('.', edge)), 10);

          // other browser
          return result;
        })();

        FRAMEWORK.extend(_base, {
          defaultOptions: defaultOptions,
          msie: msie,
          autoUpdateLoop: false,
          autoUpdateRecommended: !COMPATIBILITY.mO(),
          nativeScrollbarSize: nativeScrollbarSize,
          nativeScrollbarIsOverlaid: nativeScrollbarIsOverlaid,
          nativeScrollbarStyling: (function () {
            var result = false;
            scrollbarDummyElement.addClass('os-viewport-native-scrollbars-invisible');
            try {
              result = (scrollbarDummyElement.css('scrollbar-width') === 'none' && (msie > 9 || !msie)) || window.getComputedStyle(scrollbarDummyElement0, '::-webkit-scrollbar').getPropertyValue('display') === 'none';
            } catch (ex) {
            }

            //fix opera bug: scrollbar styles will only appear if overflow value is scroll or auto during the activation of the style.
            //and set overflow to scroll
            //scrollbarDummyElement.css(strOverflow, strHidden).hide().css(strOverflow, strScroll).show();
            //return (scrollbarDummyElement0[LEXICON.oH] - scrollbarDummyElement0[LEXICON.cH]) === 0 && (scrollbarDummyElement0[LEXICON.oW] - scrollbarDummyElement0[LEXICON.cW]) === 0;

            return result;
          })(),
          overlayScrollbarDummySize: {x: 30, y: 30},
          cssCalc: VENDORS._cssPropertyValue('width', 'calc', '(1px)') || null,
          restrictedMeasuring: (function () {
            //https://bugzilla.mozilla.org/show_bug.cgi?id=1439305
            //since 1.11.0 always false -> fixed via CSS (hopefully)
            scrollbarDummyElement.css(strOverflow, strHidden);
            var scrollSize = {
              w: scrollbarDummyElement0[LEXICON.sW],
              h: scrollbarDummyElement0[LEXICON.sH]
            };
            scrollbarDummyElement.css(strOverflow, 'visible');
            var scrollSize2 = {
              w: scrollbarDummyElement0[LEXICON.sW],
              h: scrollbarDummyElement0[LEXICON.sH]
            };
            return (scrollSize.w - scrollSize2.w) !== 0 || (scrollSize.h - scrollSize2.h) !== 0;
          })(),
          rtlScrollBehavior: (function () {
            scrollbarDummyElement.css({
              'overflow-y': strHidden,
              'overflow-x': strScroll,
              'direction': 'rtl'
            }).scrollLeft(0);
            var dummyContainerOffset = scrollbarDummyElement.offset();
            var dummyContainerChildOffset = dummyContainerChild.offset();
            //https://github.com/KingSora/OverlayScrollbars/issues/187
            scrollbarDummyElement.scrollLeft(-999);
            var dummyContainerChildOffsetAfterScroll = dummyContainerChild.offset();
            return {
              //origin direction = determines if the zero scroll position is on the left or right side
              //'i' means 'invert' (i === true means that the axis must be inverted to be correct)
              //true = on the left side
              //false = on the right side
              i: dummyContainerOffset.left === dummyContainerChildOffset.left,
              //negative = determines if the maximum scroll is positive or negative
              //'n' means 'negate' (n === true means that the axis must be negated to be correct)
              //true = negative
              //false = positive
              n: dummyContainerChildOffset.left !== dummyContainerChildOffsetAfterScroll.left
            };
          })(),
          supportTransform: !!VENDORS._cssProperty('transform'),
          supportTransition: !!VENDORS._cssProperty('transition'),
          supportPassiveEvents: (function () {
            var supportsPassive = false;
            try {
              window.addEventListener('test', null, Object.defineProperty({}, 'passive', {
                get: function () {
                  supportsPassive = true;
                }
              }));
            } catch (e) {
            }
            return supportsPassive;
          })(),
          supportResizeObserver: !!COMPATIBILITY.rO(),
          supportMutationObserver: !!COMPATIBILITY.mO()
        });

        scrollbarDummyElement.removeAttr(LEXICON.s).remove();

        //Catch zoom event:
        (function () {
          if (nativeScrollbarIsOverlaid.x && nativeScrollbarIsOverlaid.y)
            return;

          var abs = MATH.abs;
          var windowWidth = COMPATIBILITY.wW();
          var windowHeight = COMPATIBILITY.wH();
          var windowDpr = getWindowDPR();
          var onResize = function () {
            if (INSTANCES().length > 0) {
              var newW = COMPATIBILITY.wW();
              var newH = COMPATIBILITY.wH();
              var deltaW = newW - windowWidth;
              var deltaH = newH - windowHeight;

              if (deltaW === 0 && deltaH === 0)
                return;

              var deltaWRatio = MATH.round(newW / (windowWidth / 100.0));
              var deltaHRatio = MATH.round(newH / (windowHeight / 100.0));
              var absDeltaW = abs(deltaW);
              var absDeltaH = abs(deltaH);
              var absDeltaWRatio = abs(deltaWRatio);
              var absDeltaHRatio = abs(deltaHRatio);
              var newDPR = getWindowDPR();

              var deltaIsBigger = absDeltaW > 2 && absDeltaH > 2;
              var difference = !differenceIsBiggerThanOne(absDeltaWRatio, absDeltaHRatio);
              var dprChanged = newDPR !== windowDpr && windowDpr > 0;
              var isZoom = deltaIsBigger && difference && dprChanged;
              var oldScrollbarSize = _base.nativeScrollbarSize;
              var newScrollbarSize;

              if (isZoom) {
                bodyElement.append(scrollbarDummyElement);
                newScrollbarSize = _base.nativeScrollbarSize = calcNativeScrollbarSize(scrollbarDummyElement[0]);
                scrollbarDummyElement.remove();
                if (oldScrollbarSize.x !== newScrollbarSize.x || oldScrollbarSize.y !== newScrollbarSize.y) {
                  FRAMEWORK.each(INSTANCES(), function () {
                    if (INSTANCES(this))
                      INSTANCES(this).update('zoom');
                  });
                }
              }

              windowWidth = newW;
              windowHeight = newH;
              windowDpr = newDPR;
            }
          };

          function differenceIsBiggerThanOne(valOne, valTwo) {
            var absValOne = abs(valOne);
            var absValTwo = abs(valTwo);
            return !(absValOne === absValTwo || absValOne + 1 === absValTwo || absValOne - 1 === absValTwo);
          }

          function getWindowDPR() {
            var dDPI = window.screen.deviceXDPI || 0;
            var sDPI = window.screen.logicalXDPI || 1;
            return window.devicePixelRatio || (dDPI / sDPI);
          }

          FRAMEWORK(window).on('resize', onResize);
        })();

        function calcNativeScrollbarSize(measureElement) {
          return {
            x: measureElement[LEXICON.oH] - measureElement[LEXICON.cH],
            y: measureElement[LEXICON.oW] - measureElement[LEXICON.cW]
          };
        }
      }

      /**
       * The object which manages the auto update loop for all OverlayScrollbars objects. This object is initialized only once: if the first OverlayScrollbars object gets initialized.
       * @constructor
       */
      function OverlayScrollbarsAutoUpdateLoop(globals) {
        var _base = this;
        var _inArray = FRAMEWORK.inArray;
        var _getNow = COMPATIBILITY.now;
        var _strAutoUpdate = 'autoUpdate';
        var _strAutoUpdateInterval = _strAutoUpdate + 'Interval';
        var _strLength = LEXICON.l;
        var _loopingInstances = [];
        var _loopingInstancesIntervalCache = [];
        var _loopIsActive = false;
        var _loopIntervalDefault = 33;
        var _loopInterval = _loopIntervalDefault;
        var _loopTimeOld = _getNow();
        var _loopID;


        /**
         * The auto update loop which will run every 50 milliseconds or less if the update interval of a instance is lower than 50 milliseconds.
         */
        var loop = function () {
          if (_loopingInstances[_strLength] > 0 && _loopIsActive) {
            _loopID = COMPATIBILITY.rAF()(function () {
              loop();
            });
            var timeNew = _getNow();
            var timeDelta = timeNew - _loopTimeOld;
            var lowestInterval;
            var instance;
            var instanceOptions;
            var instanceAutoUpdateAllowed;
            var instanceAutoUpdateInterval;
            var now;

            if (timeDelta > _loopInterval) {
              _loopTimeOld = timeNew - (timeDelta % _loopInterval);
              lowestInterval = _loopIntervalDefault;
              for (var i = 0; i < _loopingInstances[_strLength]; i++) {
                instance = _loopingInstances[i];
                if (instance !== undefined) {
                  instanceOptions = instance.options();
                  instanceAutoUpdateAllowed = instanceOptions[_strAutoUpdate];
                  instanceAutoUpdateInterval = MATH.max(1, instanceOptions[_strAutoUpdateInterval]);
                  now = _getNow();

                  if ((instanceAutoUpdateAllowed === true || instanceAutoUpdateAllowed === null) && (now - _loopingInstancesIntervalCache[i]) > instanceAutoUpdateInterval) {
                    instance.update('auto');
                    _loopingInstancesIntervalCache[i] = new Date(now += instanceAutoUpdateInterval);
                  }

                  lowestInterval = MATH.max(1, MATH.min(lowestInterval, instanceAutoUpdateInterval));
                }
              }
              _loopInterval = lowestInterval;
            }
          } else {
            _loopInterval = _loopIntervalDefault;
          }
        };

        /**
         * Add OverlayScrollbars instance to the auto update loop. Only successful if the instance isn't already added.
         * @param instance The instance which shall be updated in a loop automatically.
         */
        _base.add = function (instance) {
          if (_inArray(instance, _loopingInstances) === -1) {
            _loopingInstances.push(instance);
            _loopingInstancesIntervalCache.push(_getNow());
            if (_loopingInstances[_strLength] > 0 && !_loopIsActive) {
              _loopIsActive = true;
              globals.autoUpdateLoop = _loopIsActive;
              loop();
            }
          }
        };

        /**
         * Remove OverlayScrollbars instance from the auto update loop. Only successful if the instance was added before.
         * @param instance The instance which shall be updated in a loop automatically.
         */
        _base.remove = function (instance) {
          var index = _inArray(instance, _loopingInstances);
          if (index > -1) {
            //remove from loopingInstances list
            _loopingInstancesIntervalCache.splice(index, 1);
            _loopingInstances.splice(index, 1);

            //correct update loop behavior
            if (_loopingInstances[_strLength] === 0 && _loopIsActive) {
              _loopIsActive = false;
              globals.autoUpdateLoop = _loopIsActive;
              if (_loopID !== undefined) {
                COMPATIBILITY.cAF()(_loopID);
                _loopID = -1;
              }
            }
          }
        };
      }

      /**
       * A object which manages the scrollbars visibility of the target element.
       * @param pluginTargetElement The element from which the scrollbars shall be hidden.
       * @param options The custom options.
       * @param extensions The custom extensions.
       * @param globals
       * @param autoUpdateLoop
       * @returns {*}
       * @constructor
       */
      function OverlayScrollbarsInstance(pluginTargetElement, options, extensions, globals, autoUpdateLoop) {
        //shortcuts
        var type = COMPATIBILITY.type;
        var inArray = FRAMEWORK.inArray;
        var each = FRAMEWORK.each;

        //make correct instanceof
        var _base = new _plugin();
        var _frameworkProto = FRAMEWORK[LEXICON.p];

        //if passed element is no HTML element: skip and return
        if (!isHTMLElement(pluginTargetElement))
          return;

        //if passed element is already initialized: set passed options if there are any and return its instance
        if (INSTANCES(pluginTargetElement)) {
          var inst = INSTANCES(pluginTargetElement);
          inst.options(options);
          return inst;
        }

        //globals:
        var _nativeScrollbarIsOverlaid;
        var _overlayScrollbarDummySize;
        var _rtlScrollBehavior;
        var _autoUpdateRecommended;
        var _msieVersion;
        var _nativeScrollbarStyling;
        var _cssCalc;
        var _nativeScrollbarSize;
        var _supportTransition;
        var _supportTransform;
        var _supportPassiveEvents;
        var _supportResizeObserver;
        var _supportMutationObserver;
        var _restrictedMeasuring;

        //general readonly:
        var _initialized;
        var _destroyed;
        var _isTextarea;
        var _isBody;
        var _documentMixed;
        var _domExists;

        //general:
        var _isBorderBox;
        var _sizeAutoObserverAdded;
        var _paddingX;
        var _paddingY;
        var _borderX;
        var _borderY;
        var _marginX;
        var _marginY;
        var _isRTL;
        var _sleeping;
        var _contentBorderSize = {};
        var _scrollHorizontalInfo = {};
        var _scrollVerticalInfo = {};
        var _viewportSize = {};
        var _nativeScrollbarMinSize = {};

        //naming:
        var _strMinusHidden = '-hidden';
        var _strMarginMinus = 'margin-';
        var _strPaddingMinus = 'padding-';
        var _strBorderMinus = 'border-';
        var _strTop = 'top';
        var _strRight = 'right';
        var _strBottom = 'bottom';
        var _strLeft = 'left';
        var _strMinMinus = 'min-';
        var _strMaxMinus = 'max-';
        var _strWidth = 'width';
        var _strHeight = 'height';
        var _strFloat = 'float';
        var _strEmpty = '';
        var _strAuto = 'auto';
        var _strSync = 'sync';
        var _strScroll = 'scroll';
        var _strHundredPercent = '100%';
        var _strX = 'x';
        var _strY = 'y';
        var _strDot = '.';
        var _strSpace = ' ';
        var _strScrollbar = 'scrollbar';
        var _strMinusHorizontal = '-horizontal';
        var _strMinusVertical = '-vertical';
        var _strScrollLeft = _strScroll + 'Left';
        var _strScrollTop = _strScroll + 'Top';
        var _strMouseTouchDownEvent = 'mousedown touchstart';
        var _strMouseTouchUpEvent = 'mouseup touchend touchcancel';
        var _strMouseTouchMoveEvent = 'mousemove touchmove';
        var _strMouseEnter = 'mouseenter';
        var _strMouseLeave = 'mouseleave';
        var _strKeyDownEvent = 'keydown';
        var _strKeyUpEvent = 'keyup';
        var _strSelectStartEvent = 'selectstart';
        var _strTransitionEndEvent = 'transitionend webkitTransitionEnd oTransitionEnd';
        var _strResizeObserverProperty = '__overlayScrollbarsRO__';

        //class names:
        var _cassNamesPrefix = 'os-';
        var _classNameHTMLElement = _cassNamesPrefix + 'html';
        var _classNameHostElement = _cassNamesPrefix + 'host';
        var _classNameHostElementForeign = _classNameHostElement + '-foreign';
        var _classNameHostTextareaElement = _classNameHostElement + '-textarea';
        var _classNameHostScrollbarHorizontalHidden = _classNameHostElement + '-' + _strScrollbar + _strMinusHorizontal + _strMinusHidden;
        var _classNameHostScrollbarVerticalHidden = _classNameHostElement + '-' + _strScrollbar + _strMinusVertical + _strMinusHidden;
        var _classNameHostTransition = _classNameHostElement + '-transition';
        var _classNameHostRTL = _classNameHostElement + '-rtl';
        var _classNameHostResizeDisabled = _classNameHostElement + '-resize-disabled';
        var _classNameHostScrolling = _classNameHostElement + '-scrolling';
        var _classNameHostOverflow = _classNameHostElement + '-overflow';
        var _classNameHostOverflow = _classNameHostElement + '-overflow';
        var _classNameHostOverflowX = _classNameHostOverflow + '-x';
        var _classNameHostOverflowY = _classNameHostOverflow + '-y';
        var _classNameTextareaElement = _cassNamesPrefix + 'textarea';
        var _classNameTextareaCoverElement = _classNameTextareaElement + '-cover';
        var _classNamePaddingElement = _cassNamesPrefix + 'padding';
        var _classNameViewportElement = _cassNamesPrefix + 'viewport';
        var _classNameViewportNativeScrollbarsInvisible = _classNameViewportElement + '-native-scrollbars-invisible';
        var _classNameViewportNativeScrollbarsOverlaid = _classNameViewportElement + '-native-scrollbars-overlaid';
        var _classNameContentElement = _cassNamesPrefix + 'content';
        var _classNameContentArrangeElement = _cassNamesPrefix + 'content-arrange';
        var _classNameContentGlueElement = _cassNamesPrefix + 'content-glue';
        var _classNameSizeAutoObserverElement = _cassNamesPrefix + 'size-auto-observer';
        var _classNameResizeObserverElement = _cassNamesPrefix + 'resize-observer';
        var _classNameResizeObserverItemElement = _cassNamesPrefix + 'resize-observer-item';
        var _classNameResizeObserverItemFinalElement = _classNameResizeObserverItemElement + '-final';
        var _classNameTextInherit = _cassNamesPrefix + 'text-inherit';
        var _classNameScrollbar = _cassNamesPrefix + _strScrollbar;
        var _classNameScrollbarTrack = _classNameScrollbar + '-track';
        var _classNameScrollbarTrackOff = _classNameScrollbarTrack + '-off';
        var _classNameScrollbarHandle = _classNameScrollbar + '-handle';
        var _classNameScrollbarHandleOff = _classNameScrollbarHandle + '-off';
        var _classNameScrollbarUnusable = _classNameScrollbar + '-unusable';
        var _classNameScrollbarAutoHidden = _classNameScrollbar + '-' + _strAuto + _strMinusHidden;
        var _classNameScrollbarCorner = _classNameScrollbar + '-corner';
        var _classNameScrollbarCornerResize = _classNameScrollbarCorner + '-resize';
        var _classNameScrollbarCornerResizeB = _classNameScrollbarCornerResize + '-both';
        var _classNameScrollbarCornerResizeH = _classNameScrollbarCornerResize + _strMinusHorizontal;
        var _classNameScrollbarCornerResizeV = _classNameScrollbarCornerResize + _strMinusVertical;
        var _classNameScrollbarHorizontal = _classNameScrollbar + _strMinusHorizontal;
        var _classNameScrollbarVertical = _classNameScrollbar + _strMinusVertical;
        var _classNameDragging = _cassNamesPrefix + 'dragging';
        var _classNameThemeNone = _cassNamesPrefix + 'theme-none';
        var _classNamesDynamicDestroy = [
          _classNameViewportNativeScrollbarsInvisible,
          _classNameViewportNativeScrollbarsOverlaid,
          _classNameScrollbarTrackOff,
          _classNameScrollbarHandleOff,
          _classNameScrollbarUnusable,
          _classNameScrollbarAutoHidden,
          _classNameScrollbarCornerResize,
          _classNameScrollbarCornerResizeB,
          _classNameScrollbarCornerResizeH,
          _classNameScrollbarCornerResizeV,
          _classNameDragging].join(_strSpace);

        //callbacks:
        var _callbacksInitQeueue = [];

        //attrs viewport shall inherit from target
        var _viewportAttrsFromTarget = [LEXICON.ti];

        //options:
        var _defaultOptions;
        var _currentOptions;
        var _currentPreparedOptions;

        //extensions:
        var _extensions = {};
        var _extensionsPrivateMethods = 'added removed on contract';

        //update
        var _lastUpdateTime;
        var _swallowedUpdateHints = {};
        var _swallowedUpdateTimeout;
        var _swallowUpdateLag = 42;
        var _updateOnLoadEventName = 'load';
        var _updateOnLoadElms = [];

        //DOM elements:
        var _windowElement;
        var _documentElement;
        var _htmlElement;
        var _bodyElement;
        var _targetElement;                     //the target element of this OverlayScrollbars object
        var _hostElement;                       //the host element of this OverlayScrollbars object -> may be the same as targetElement
        var _sizeAutoObserverElement;           //observes size auto changes
        var _sizeObserverElement;               //observes size and padding changes
        var _paddingElement;                    //manages the padding
        var _viewportElement;                   //is the viewport of our scrollbar model
        var _contentElement;                    //the element which holds the content
        var _contentArrangeElement;             //is needed for correct sizing of the content element (only if native scrollbars are overlays)
        var _contentGlueElement;                //has always the size of the content element
        var _textareaCoverElement;              //only applied if target is a textarea element. Used for correct size calculation and for prevention of uncontrolled scrolling
        var _scrollbarCornerElement;
        var _scrollbarHorizontalElement;
        var _scrollbarHorizontalTrackElement;
        var _scrollbarHorizontalHandleElement;
        var _scrollbarVerticalElement;
        var _scrollbarVerticalTrackElement;
        var _scrollbarVerticalHandleElement;
        var _windowElementNative;
        var _documentElementNative;
        var _targetElementNative;
        var _hostElementNative;
        var _sizeAutoObserverElementNative;
        var _sizeObserverElementNative;
        var _paddingElementNative;
        var _viewportElementNative;
        var _contentElementNative;

        //Cache:
        var _hostSizeCache;
        var _contentScrollSizeCache;
        var _arrangeContentSizeCache;
        var _hasOverflowCache;
        var _hideOverflowCache;
        var _widthAutoCache;
        var _heightAutoCache;
        var _cssBoxSizingCache;
        var _cssPaddingCache;
        var _cssBorderCache;
        var _cssMarginCache;
        var _cssDirectionCache;
        var _cssDirectionDetectedCache;
        var _paddingAbsoluteCache;
        var _clipAlwaysCache;
        var _contentGlueSizeCache;
        var _overflowBehaviorCache;
        var _overflowAmountCache;
        var _ignoreOverlayScrollbarHidingCache;
        var _autoUpdateCache;
        var _sizeAutoCapableCache;
        var _contentElementScrollSizeChangeDetectedCache;
        var _hostElementSizeChangeDetectedCache;
        var _scrollbarsVisibilityCache;
        var _scrollbarsAutoHideCache;
        var _scrollbarsClickScrollingCache;
        var _scrollbarsDragScrollingCache;
        var _resizeCache;
        var _normalizeRTLCache;
        var _classNameCache;
        var _oldClassName;
        var _textareaAutoWrappingCache;
        var _textareaInfoCache;
        var _textareaSizeCache;
        var _textareaDynHeightCache;
        var _textareaDynWidthCache;
        var _bodyMinSizeCache;
        var _updateAutoCache = {};

        //MutationObserver:
        var _mutationObserverHost;
        var _mutationObserverContent;
        var _mutationObserverHostCallback;
        var _mutationObserverContentCallback;
        var _mutationObserversConnected;
        var _mutationObserverAttrsTextarea = ['wrap', 'cols', 'rows'];
        var _mutationObserverAttrsHost = [LEXICON.i, LEXICON.c, LEXICON.s, 'open'].concat(_viewportAttrsFromTarget);

        //events:
        var _destroyEvents = [];

        //textarea:
        var _textareaHasFocus;

        //scrollbars:
        var _scrollbarsAutoHideTimeoutId;
        var _scrollbarsAutoHideMoveTimeoutId;
        var _scrollbarsAutoHideDelay;
        var _scrollbarsAutoHideNever;
        var _scrollbarsAutoHideScroll;
        var _scrollbarsAutoHideMove;
        var _scrollbarsAutoHideLeave;
        var _scrollbarsHandleHovered;
        var _scrollbarsHandlesDefineScrollPos;

        //resize
        var _resizeNone;
        var _resizeBoth;
        var _resizeHorizontal;
        var _resizeVertical;


        //==== Event Listener ====//

        /**
         * Adds or removes a event listener from the given element.
         * @param element The element to which the event listener shall be applied or removed.
         * @param eventNames The name(s) of the events.
         * @param listener The method which shall be called.
         * @param remove True if the handler shall be removed, false or undefined if the handler shall be added.
         * @param passiveOrOptions The options for the event.
         */
        function setupResponsiveEventListener(element, eventNames, listener, remove, passiveOrOptions) {
          var collected = COMPATIBILITY.isA(eventNames) && COMPATIBILITY.isA(listener);
          var method = remove ? 'removeEventListener' : 'addEventListener';
          var onOff = remove ? 'off' : 'on';
          var events = collected ? false : eventNames.split(_strSpace)
          var i = 0;

          var passiveOrOptionsIsObj = FRAMEWORK.isPlainObject(passiveOrOptions);
          var passive = (_supportPassiveEvents && (passiveOrOptionsIsObj ? (passiveOrOptions._passive) : passiveOrOptions)) || false;
          var capture = passiveOrOptionsIsObj && (passiveOrOptions._capture || false);
          var nativeParam = _supportPassiveEvents ? {
            passive: passive,
            capture: capture,
          } : capture;

          if (collected) {
            for (; i < eventNames[LEXICON.l]; i++)
              setupResponsiveEventListener(element, eventNames[i], listener[i], remove, passiveOrOptions);
          } else {
            for (; i < events[LEXICON.l]; i++) {
              if (_supportPassiveEvents) {
                element[0][method](events[i], listener, nativeParam);
              } else {
                element[onOff](events[i], listener);
              }
            }
          }
        }


        function addDestroyEventListener(element, eventNames, listener, passive) {
          setupResponsiveEventListener(element, eventNames, listener, false, passive);
          _destroyEvents.push(COMPATIBILITY.bind(setupResponsiveEventListener, 0, element, eventNames, listener, true, passive));
        }

        //==== Resize Observer ====//

        /**
         * Adds or removes a resize observer from the given element.
         * @param targetElement The element to which the resize observer shall be added or removed.
         * @param onElementResizedCallback The callback which is fired every time the resize observer registers a size change or false / undefined if the resizeObserver shall be removed.
         */
        function setupResizeObserver(targetElement, onElementResizedCallback) {
          if (targetElement) {
            var resizeObserver = COMPATIBILITY.rO();
            var strAnimationStartEvent = 'animationstart mozAnimationStart webkitAnimationStart MSAnimationStart';
            var strChildNodes = 'childNodes';
            var constScroll = 3333333;
            var callback = function () {
              targetElement[_strScrollTop](constScroll)[_strScrollLeft](_isRTL ? _rtlScrollBehavior.n ? -constScroll : _rtlScrollBehavior.i ? 0 : constScroll : constScroll);
              onElementResizedCallback();
            };
            //add resize observer:
            if (onElementResizedCallback) {
              if (_supportResizeObserver) {
                var element = targetElement.addClass('observed').append(generateDiv(_classNameResizeObserverElement)).contents()[0];
                var observer = element[_strResizeObserverProperty] = new resizeObserver(callback);
                observer.observe(element);
              } else {
                if (_msieVersion > 9 || !_autoUpdateRecommended) {
                  targetElement.prepend(
                    generateDiv(_classNameResizeObserverElement,
                      generateDiv({c: _classNameResizeObserverItemElement, dir: 'ltr'},
                        generateDiv(_classNameResizeObserverItemElement,
                          generateDiv(_classNameResizeObserverItemFinalElement)
                        ) +
                        generateDiv(_classNameResizeObserverItemElement,
                          generateDiv({c: _classNameResizeObserverItemFinalElement, style: 'width: 200%; height: 200%'})
                        )
                      )
                    )
                  );

                  var observerElement = targetElement[0][strChildNodes][0][strChildNodes][0];
                  var shrinkElement = FRAMEWORK(observerElement[strChildNodes][1]);
                  var expandElement = FRAMEWORK(observerElement[strChildNodes][0]);
                  var expandElementChild = FRAMEWORK(expandElement[0][strChildNodes][0]);
                  var widthCache = observerElement[LEXICON.oW];
                  var heightCache = observerElement[LEXICON.oH];
                  var isDirty;
                  var rAFId;
                  var currWidth;
                  var currHeight;
                  var factor = 2;
                  var nativeScrollbarSize = globals.nativeScrollbarSize; //care don't make changes to this object!!!
                  var reset = function () {
                    /*
                                         var sizeResetWidth = observerElement[LEXICON.oW] + nativeScrollbarSize.x * factor + nativeScrollbarSize.y * factor + _overlayScrollbarDummySize.x + _overlayScrollbarDummySize.y;
                                         var sizeResetHeight = observerElement[LEXICON.oH] + nativeScrollbarSize.x * factor + nativeScrollbarSize.y * factor + _overlayScrollbarDummySize.x + _overlayScrollbarDummySize.y;
                                         var expandChildCSS = {};
                                         expandChildCSS[_strWidth] = sizeResetWidth;
                                         expandChildCSS[_strHeight] = sizeResetHeight;
                                         expandElementChild.css(expandChildCSS);


                                         expandElement[_strScrollLeft](sizeResetWidth)[_strScrollTop](sizeResetHeight);
                                         shrinkElement[_strScrollLeft](sizeResetWidth)[_strScrollTop](sizeResetHeight);
                                         */
                    expandElement[_strScrollLeft](constScroll)[_strScrollTop](constScroll);
                    shrinkElement[_strScrollLeft](constScroll)[_strScrollTop](constScroll);
                  };
                  var onResized = function () {
                    rAFId = 0;
                    if (!isDirty)
                      return;

                    widthCache = currWidth;
                    heightCache = currHeight;
                    callback();
                  };
                  var onScroll = function (event) {
                    currWidth = observerElement[LEXICON.oW];
                    currHeight = observerElement[LEXICON.oH];
                    isDirty = currWidth != widthCache || currHeight != heightCache;

                    if (event && isDirty && !rAFId) {
                      COMPATIBILITY.cAF()(rAFId);
                      rAFId = COMPATIBILITY.rAF()(onResized);
                    } else if (!event)
                      onResized();

                    reset();
                    if (event) {
                      COMPATIBILITY.prvD(event);
                      COMPATIBILITY.stpP(event);
                    }
                    return false;
                  };
                  var expandChildCSS = {};
                  var observerElementCSS = {};

                  setTopRightBottomLeft(observerElementCSS, _strEmpty, [
                    -((nativeScrollbarSize.y + 1) * factor),
                    nativeScrollbarSize.x * -factor,
                    nativeScrollbarSize.y * -factor,
                    -((nativeScrollbarSize.x + 1) * factor)
                  ]);

                  FRAMEWORK(observerElement).css(observerElementCSS);
                  expandElement.on(_strScroll, onScroll);
                  shrinkElement.on(_strScroll, onScroll);
                  targetElement.on(strAnimationStartEvent, function () {
                    onScroll(false);
                  });
                  //lets assume that the divs will never be that large and a constant value is enough
                  expandChildCSS[_strWidth] = constScroll;
                  expandChildCSS[_strHeight] = constScroll;
                  expandElementChild.css(expandChildCSS);

                  reset();
                } else {
                  var attachEvent = _documentElementNative.attachEvent;
                  var isIE = _msieVersion !== undefined;
                  if (attachEvent) {
                    targetElement.prepend(generateDiv(_classNameResizeObserverElement));
                    findFirst(targetElement, _strDot + _classNameResizeObserverElement)[0].attachEvent('onresize', callback);
                  } else {
                    var obj = _documentElementNative.createElement(TYPES.o);
                    obj.setAttribute(LEXICON.ti, '-1');
                    obj.setAttribute(LEXICON.c, _classNameResizeObserverElement);
                    obj.onload = function () {
                      var wnd = this.contentDocument.defaultView;
                      wnd.addEventListener('resize', callback);
                      wnd.document.documentElement.style.display = 'none';
                    };
                    obj.type = 'text/html';
                    if (isIE)
                      targetElement.prepend(obj);
                    obj.data = 'about:blank';
                    if (!isIE)
                      targetElement.prepend(obj);
                    targetElement.on(strAnimationStartEvent, callback);
                  }
                }
              }

              if (targetElement[0] === _sizeObserverElementNative) {
                var directionChanged = function () {
                  var dir = _hostElement.css('direction');
                  var css = {};
                  var scrollLeftValue = 0;
                  var result = false;
                  if (dir !== _cssDirectionDetectedCache) {
                    if (dir === 'ltr') {
                      css[_strLeft] = 0;
                      css[_strRight] = _strAuto;
                      scrollLeftValue = constScroll;
                    } else {
                      css[_strLeft] = _strAuto;
                      css[_strRight] = 0;
                      scrollLeftValue = _rtlScrollBehavior.n ? -constScroll : _rtlScrollBehavior.i ? 0 : constScroll;
                    }
                    //execution order is important for IE!!!
                    _sizeObserverElement.children().eq(0).css(css);
                    _sizeObserverElement[_strScrollLeft](scrollLeftValue)[_strScrollTop](constScroll);
                    _cssDirectionDetectedCache = dir;
                    result = true;
                  }
                  return result;
                };
                directionChanged();
                addDestroyEventListener(targetElement, _strScroll, function (event) {
                  if (directionChanged())
                    update();
                  COMPATIBILITY.prvD(event);
                  COMPATIBILITY.stpP(event);
                  return false;
                });
              }
            }
            //remove resize observer:
            else {
              if (_supportResizeObserver) {
                var element = targetElement.contents()[0];
                var resizeObserverObj = element[_strResizeObserverProperty];
                if (resizeObserverObj) {
                  resizeObserverObj.disconnect();
                  delete element[_strResizeObserverProperty];
                }
              } else {
                remove(targetElement.children(_strDot + _classNameResizeObserverElement).eq(0));
              }
            }
          }
        }

        /**
         * Freezes or unfreezes the given resize observer.
         * @param targetElement The element to which the target resize observer is applied.
         * @param freeze True if the resize observer shall be frozen, false otherwise.

         function freezeResizeObserver(targetElement, freeze) {
                    if (targetElement !== undefined) {
                        if(freeze) {
                            if (_supportResizeObserver) {
                                var element = targetElement.contents()[0];
                                element[_strResizeObserverProperty].unobserve(element);
                            }
                            else {
                                targetElement = targetElement.children(_strDot + _classNameResizeObserverElement).eq(0);
                                var w = targetElement.css(_strWidth);
                                var h = targetElement.css(_strHeight);
                                var css = {};
                                css[_strWidth] = w;
                                css[_strHeight] = h;
                                targetElement.css(css);
                            }
                        }
                        else {
                            if (_supportResizeObserver) {
                                var element = targetElement.contents()[0];
                                element[_strResizeObserverProperty].observe(element);
                            }
                            else {
                                var css = { };
                                css[_strHeight] = _strEmpty;
                                css[_strWidth] = _strEmpty;
                                targetElement.children(_strDot + _classNameResizeObserverElement).eq(0).css(css);
                            }
                        }
                    }
                }
         */


        //==== Mutation Observers ====//

        /**
         * Creates MutationObservers for the host and content Element if they are supported.
         */
        function createMutationObservers() {
          if (_supportMutationObserver) {
            var mutationObserverContentLag = 11;
            var mutationObserver = COMPATIBILITY.mO();
            var contentLastUpdate = COMPATIBILITY.now();
            var mutationTarget;
            var mutationAttrName;
            var mutationIsClass;
            var oldMutationVal;
            var newClassVal;
            var hostClassNameRegex;
            var contentTimeout;
            var now;
            var sizeAuto;
            var action;

            _mutationObserverHostCallback = function (mutations) {

              var doUpdate = false;
              var doUpdateForce = false;
              var mutation;
              var mutatedAttrs = [];

              if (_initialized && !_sleeping) {
                each(mutations, function () {
                  mutation = this;
                  mutationTarget = mutation.target;
                  mutationAttrName = mutation.attributeName;
                  mutationIsClass = mutationAttrName === LEXICON.c;
                  oldMutationVal = mutation.oldValue;
                  newClassVal = mutationTarget.className;

                  if (_domExists && mutationIsClass && !doUpdateForce) {
                    // if old class value contains _classNameHostElementForeign and new class value doesn't
                    if (oldMutationVal.indexOf(_classNameHostElementForeign) > -1 && newClassVal.indexOf(_classNameHostElementForeign) < 0) {
                      hostClassNameRegex = createHostClassNameRegExp(true);
                      _hostElementNative.className = newClassVal.split(_strSpace).concat(oldMutationVal.split(_strSpace).filter(function (name) {
                        return name.match(hostClassNameRegex);
                      })).join(_strSpace);
                      doUpdate = doUpdateForce = true;
                    }
                  }

                  if (!doUpdate) {
                    doUpdate = mutationIsClass
                      ? hostClassNamesChanged(oldMutationVal, newClassVal)
                      : mutationAttrName === LEXICON.s
                        ? oldMutationVal !== mutationTarget[LEXICON.s].cssText
                        : true;
                  }

                  mutatedAttrs.push(mutationAttrName);
                });

                updateViewportAttrsFromTarget(mutatedAttrs);

                if (doUpdate)
                  _base.update(doUpdateForce || _strAuto);
              }
              return doUpdate;
            };
            _mutationObserverContentCallback = function (mutations) {
              var doUpdate = false;
              var mutation;

              if (_initialized && !_sleeping) {
                each(mutations, function () {
                  mutation = this;
                  doUpdate = isUnknownMutation(mutation);
                  return !doUpdate;
                });

                if (doUpdate) {
                  now = COMPATIBILITY.now();
                  sizeAuto = (_heightAutoCache || _widthAutoCache);
                  action = function () {
                    if (!_destroyed) {
                      contentLastUpdate = now;

                      //if cols, rows or wrap attr was changed
                      if (_isTextarea)
                        textareaUpdate();

                      if (sizeAuto)
                        update();
                      else
                        _base.update(_strAuto);
                    }
                  };
                  clearTimeout(contentTimeout);
                  if (mutationObserverContentLag <= 0 || now - contentLastUpdate > mutationObserverContentLag || !sizeAuto)
                    action();
                  else
                    contentTimeout = setTimeout(action, mutationObserverContentLag);
                }
              }
              return doUpdate;
            }

            _mutationObserverHost = new mutationObserver(_mutationObserverHostCallback);
            _mutationObserverContent = new mutationObserver(_mutationObserverContentCallback);
          }
        }

        /**
         * Connects the MutationObservers if they are supported.
         */
        function connectMutationObservers() {
          if (_supportMutationObserver && !_mutationObserversConnected) {
            _mutationObserverHost.observe(_hostElementNative, {
              attributes: true,
              attributeOldValue: true,
              attributeFilter: _mutationObserverAttrsHost
            });

            _mutationObserverContent.observe(_isTextarea ? _targetElementNative : _contentElementNative, {
              attributes: true,
              attributeOldValue: true,
              subtree: !_isTextarea,
              childList: !_isTextarea,
              characterData: !_isTextarea,
              attributeFilter: _isTextarea ? _mutationObserverAttrsTextarea : _mutationObserverAttrsHost
            });

            _mutationObserversConnected = true;
          }
        }

        /**
         * Disconnects the MutationObservers if they are supported.
         */
        function disconnectMutationObservers() {
          if (_supportMutationObserver && _mutationObserversConnected) {
            _mutationObserverHost.disconnect();
            _mutationObserverContent.disconnect();

            _mutationObserversConnected = false;
          }
        }


        //==== Events of elements ====//

        /**
         * This method gets called every time the host element gets resized. IMPORTANT: Padding changes are detected too!!
         * It refreshes the hostResizedEventArgs and the hostSizeResizeCache.
         * If there are any size changes, the update method gets called.
         */
        function hostOnResized() {
          if (!_sleeping) {
            var changed;
            var hostSize = {
              w: _sizeObserverElementNative[LEXICON.sW],
              h: _sizeObserverElementNative[LEXICON.sH]
            };

            changed = checkCache(hostSize, _hostElementSizeChangeDetectedCache);
            _hostElementSizeChangeDetectedCache = hostSize;
            if (changed)
              update({_hostSizeChanged: true});
          }
        }

        /**
         * The mouse enter event of the host element. This event is only needed for the autoHide feature.
         */
        function hostOnMouseEnter() {
          if (_scrollbarsAutoHideLeave)
            refreshScrollbarsAutoHide(true);
        }

        /**
         * The mouse leave event of the host element. This event is only needed for the autoHide feature.
         */
        function hostOnMouseLeave() {
          if (_scrollbarsAutoHideLeave && !_bodyElement.hasClass(_classNameDragging))
            refreshScrollbarsAutoHide(false);
        }

        /**
         * The mouse move event of the host element. This event is only needed for the autoHide "move" feature.
         */
        function hostOnMouseMove() {
          if (_scrollbarsAutoHideMove) {
            refreshScrollbarsAutoHide(true);
            clearTimeout(_scrollbarsAutoHideMoveTimeoutId);
            _scrollbarsAutoHideMoveTimeoutId = setTimeout(function () {
              if (_scrollbarsAutoHideMove && !_destroyed)
                refreshScrollbarsAutoHide(false);
            }, 100);
          }
        }

        /**
         * Prevents text from deselection if attached to the document element on the mousedown event of a DOM element.
         * @param event The select start event.
         */
        function documentOnSelectStart(event) {
          COMPATIBILITY.prvD(event);
          return false;
        }

        /**
         * A callback which will be called after a element has loaded.
         */
        function updateOnLoadCallback(event) {
          var elm = FRAMEWORK(event.target);

          eachUpdateOnLoad(function (i, updateOnLoadSelector) {
            if (elm.is(updateOnLoadSelector)) {
              update({_contentSizeChanged: true});
            }
          });
        }

        /**
         * Adds or removes mouse & touch events of the host element. (for handling auto-hiding of the scrollbars)
         * @param destroy Indicates whether the events shall be added or removed.
         */
        function setupHostMouseTouchEvents(destroy) {
          if (!destroy)
            setupHostMouseTouchEvents(true);

          setupResponsiveEventListener(_hostElement,
            _strMouseTouchMoveEvent.split(_strSpace)[0],
            hostOnMouseMove,
            (!_scrollbarsAutoHideMove || destroy), true);
          setupResponsiveEventListener(_hostElement,
            [_strMouseEnter, _strMouseLeave],
            [hostOnMouseEnter, hostOnMouseLeave],
            (!_scrollbarsAutoHideLeave || destroy), true);

          //if the plugin is initialized and the mouse is over the host element, make the scrollbars visible
          if (!_initialized && !destroy)
            _hostElement.one('mouseover', hostOnMouseEnter);
        }


        //==== Update Detection ====//

        /**
         * Measures the min width and min height of the body element and refreshes the related cache.
         * @returns {boolean} True if the min width or min height has changed, false otherwise.
         */
        function bodyMinSizeChanged() {
          var bodyMinSize = {};
          if (_isBody && _contentArrangeElement) {
            bodyMinSize.w = parseToZeroOrNumber(_contentArrangeElement.css(_strMinMinus + _strWidth));
            bodyMinSize.h = parseToZeroOrNumber(_contentArrangeElement.css(_strMinMinus + _strHeight));
            bodyMinSize.c = checkCache(bodyMinSize, _bodyMinSizeCache);
            bodyMinSize.f = true; //flag for "measured at least once"
          }
          _bodyMinSizeCache = bodyMinSize;
          return !!bodyMinSize.c;
        }

        /**
         * Returns true if the class names really changed (new class without plugin host prefix)
         * @param oldClassNames The old ClassName string or array.
         * @param newClassNames The new ClassName string or array.
         * @returns {boolean} True if the class names has really changed, false otherwise.
         */
        function hostClassNamesChanged(oldClassNames, newClassNames) {
          var currClasses = typeof newClassNames == TYPES.s ? newClassNames.split(_strSpace) : [];
          var oldClasses = typeof oldClassNames == TYPES.s ? oldClassNames.split(_strSpace) : [];
          var diff = getArrayDifferences(oldClasses, currClasses);

          // remove none theme from diff list to prevent update
          var idx = inArray(_classNameThemeNone, diff);
          var i;
          var regex;

          if (idx > -1)
            diff.splice(idx, 1);

          if (diff[LEXICON.l] > 0) {
            regex = createHostClassNameRegExp(true, true);
            for (i = 0; i < diff.length; i++) {
              if (!diff[i].match(regex)) {
                return true;
              }
            }
          }
          return false;
        }

        /**
         * Returns true if the given mutation is not from a from the plugin generated element. If the target element is a textarea the mutation is always unknown.
         * @param mutation The mutation which shall be checked.
         * @returns {boolean} True if the mutation is from a unknown element, false otherwise.
         */
        function isUnknownMutation(mutation) {
          var attributeName = mutation.attributeName;
          var mutationTarget = mutation.target;
          var mutationType = mutation.type;
          var strClosest = 'closest';

          if (mutationTarget === _contentElementNative)
            return attributeName === null;
          if (mutationType === 'attributes' && (attributeName === LEXICON.c || attributeName === LEXICON.s) && !_isTextarea) {
            //ignore className changes by the plugin
            if (attributeName === LEXICON.c && FRAMEWORK(mutationTarget).hasClass(_classNameHostElement))
              return hostClassNamesChanged(mutation.oldValue, mutationTarget.className);

            //only do it of browser support it natively
            if (typeof mutationTarget[strClosest] != TYPES.f)
              return true;
            if (mutationTarget[strClosest](_strDot + _classNameResizeObserverElement) !== null ||
              mutationTarget[strClosest](_strDot + _classNameScrollbar) !== null ||
              mutationTarget[strClosest](_strDot + _classNameScrollbarCorner) !== null)
              return false;
          }
          return true;
        }

        /**
         * Returns true if the content size was changed since the last time this method was called.
         * @returns {boolean} True if the content size was changed, false otherwise.
         */
        function updateAutoContentSizeChanged() {
          if (_sleeping)
            return false;

          var contentMeasureElement = getContentMeasureElement();
          var textareaValueLength = _isTextarea && _widthAutoCache && !_textareaAutoWrappingCache ? _targetElement.val().length : 0;
          var setCSS = !_mutationObserversConnected && _widthAutoCache && !_isTextarea;
          var css = {};
          var float;
          var bodyMinSizeC;
          var changed;
          var contentElementScrollSize;

          if (setCSS) {
            float = _contentElement.css(_strFloat);
            css[_strFloat] = _isRTL ? _strRight : _strLeft;
            css[_strWidth] = _strAuto;
            _contentElement.css(css);
          }
          contentElementScrollSize = {
            w: contentMeasureElement[LEXICON.sW] + textareaValueLength,
            h: contentMeasureElement[LEXICON.sH] + textareaValueLength
          };
          if (setCSS) {
            css[_strFloat] = float;
            css[_strWidth] = _strHundredPercent;
            _contentElement.css(css);
          }

          bodyMinSizeC = bodyMinSizeChanged();
          changed = checkCache(contentElementScrollSize, _contentElementScrollSizeChangeDetectedCache);

          _contentElementScrollSizeChangeDetectedCache = contentElementScrollSize;

          return changed || bodyMinSizeC;
        }

        /**
         * Returns true when a attribute which the MutationObserver would observe has changed.
         * @returns {boolean} True if one of the attributes which a MutationObserver would observe has changed, false or undefined otherwise.
         */
        function meaningfulAttrsChanged() {
          if (_sleeping || _mutationObserversConnected)
            return;

          var elem;
          var curr;
          var cache;
          var changedAttrs = [];
          var checks = [
            {
              _elem: _hostElement,
              _attrs: _mutationObserverAttrsHost.concat(':visible')
            },
            {
              _elem: _isTextarea ? _targetElement : undefined,
              _attrs: _mutationObserverAttrsTextarea
            }
          ];

          each(checks, function (index, check) {
            elem = check._elem;
            if (elem) {
              each(check._attrs, function (index, attr) {
                curr = attr.charAt(0) === ':' ? elem.is(attr) : elem.attr(attr);
                cache = _updateAutoCache[attr];

                if (checkCache(curr, cache)) {
                  changedAttrs.push(attr);
                }

                _updateAutoCache[attr] = curr;
              });
            }
          });

          updateViewportAttrsFromTarget(changedAttrs);

          return changedAttrs[LEXICON.l] > 0;
        }

        /**
         * Checks is a CSS Property of a child element is affecting the scroll size of the content.
         * @param propertyName The CSS property name.
         * @returns {boolean} True if the property is affecting the content scroll size, false otherwise.
         */
        function isSizeAffectingCSSProperty(propertyName) {
          if (!_initialized)
            return true;
          var flexGrow = 'flex-grow';
          var flexShrink = 'flex-shrink';
          var flexBasis = 'flex-basis';
          var affectingPropsX = [
            _strWidth,
            _strMinMinus + _strWidth,
            _strMaxMinus + _strWidth,
            _strMarginMinus + _strLeft,
            _strMarginMinus + _strRight,
            _strLeft,
            _strRight,
            'font-weight',
            'word-spacing',
            flexGrow,
            flexShrink,
            flexBasis
          ];
          var affectingPropsXContentBox = [
            _strPaddingMinus + _strLeft,
            _strPaddingMinus + _strRight,
            _strBorderMinus + _strLeft + _strWidth,
            _strBorderMinus + _strRight + _strWidth
          ];
          var affectingPropsY = [
            _strHeight,
            _strMinMinus + _strHeight,
            _strMaxMinus + _strHeight,
            _strMarginMinus + _strTop,
            _strMarginMinus + _strBottom,
            _strTop,
            _strBottom,
            'line-height',
            flexGrow,
            flexShrink,
            flexBasis
          ];
          var affectingPropsYContentBox = [
            _strPaddingMinus + _strTop,
            _strPaddingMinus + _strBottom,
            _strBorderMinus + _strTop + _strWidth,
            _strBorderMinus + _strBottom + _strWidth
          ];
          var _strS = 's';
          var _strVS = 'v-s';
          var checkX = _overflowBehaviorCache.x === _strS || _overflowBehaviorCache.x === _strVS;
          var checkY = _overflowBehaviorCache.y === _strS || _overflowBehaviorCache.y === _strVS;
          var sizeIsAffected = false;
          var checkPropertyName = function (arr, name) {
            for (var i = 0; i < arr[LEXICON.l]; i++) {
              if (arr[i] === name)
                return true;
            }
            return false;
          };

          if (checkY) {
            sizeIsAffected = checkPropertyName(affectingPropsY, propertyName);
            if (!sizeIsAffected && !_isBorderBox)
              sizeIsAffected = checkPropertyName(affectingPropsYContentBox, propertyName);
          }
          if (checkX && !sizeIsAffected) {
            sizeIsAffected = checkPropertyName(affectingPropsX, propertyName);
            if (!sizeIsAffected && !_isBorderBox)
              sizeIsAffected = checkPropertyName(affectingPropsXContentBox, propertyName);
          }
          return sizeIsAffected;
        }


        //==== Update ====//

        /**
         * Sets the attribute values of the viewport element to the values from the target element.
         * The value of a attribute is only set if the attribute is whitelisted.
         * @attrs attrs The array of attributes which shall be set or undefined if all whitelisted shall be set.
         */
        function updateViewportAttrsFromTarget(attrs) {
          attrs = attrs || _viewportAttrsFromTarget;
          each(attrs, function (index, attr) {
            if (COMPATIBILITY.inA(attr, _viewportAttrsFromTarget) > -1) {
              var targetAttr = _targetElement.attr(attr);
              if (type(targetAttr) == TYPES.s) {
                _viewportElement.attr(attr, targetAttr);
              } else {
                _viewportElement.removeAttr(attr);
              }
            }
          });
        }

        /**
         * Updates the variables and size of the textarea element, and manages the scroll on new line or new character.
         */
        function textareaUpdate() {
          if (!_sleeping) {
            var wrapAttrOff = !_textareaAutoWrappingCache;
            var minWidth = _viewportSize.w;
            var minHeight = _viewportSize.h;
            var css = {};
            var doMeasure = _widthAutoCache || wrapAttrOff;
            var origWidth;
            var width;
            var origHeight;
            var height;

            //reset min size
            css[_strMinMinus + _strWidth] = _strEmpty;
            css[_strMinMinus + _strHeight] = _strEmpty;

            //set width auto
            css[_strWidth] = _strAuto;
            _targetElement.css(css);

            //measure width
            origWidth = _targetElementNative[LEXICON.oW];
            width = doMeasure ? MATH.max(origWidth, _targetElementNative[LEXICON.sW] - 1) : 1;
            /*width += (_widthAutoCache ? _marginX + (!_isBorderBox ? wrapAttrOff ? 0 : _paddingX + _borderX : 0) : 0);*/

            //set measured width
            css[_strWidth] = _widthAutoCache ? _strAuto /*width*/ : _strHundredPercent;
            css[_strMinMinus + _strWidth] = _strHundredPercent;

            //set height auto
            css[_strHeight] = _strAuto;
            _targetElement.css(css);

            //measure height
            origHeight = _targetElementNative[LEXICON.oH];
            height = MATH.max(origHeight, _targetElementNative[LEXICON.sH] - 1);

            //append correct size values
            css[_strWidth] = width;
            css[_strHeight] = height;
            _textareaCoverElement.css(css);

            //apply min width / min height to prevent textarea collapsing
            css[_strMinMinus + _strWidth] = minWidth /*+ (!_isBorderBox && _widthAutoCache ? _paddingX + _borderX : 0)*/;
            css[_strMinMinus + _strHeight] = minHeight /*+ (!_isBorderBox && _heightAutoCache ? _paddingY + _borderY : 0)*/;
            _targetElement.css(css);

            return {
              _originalWidth: origWidth,
              _originalHeight: origHeight,
              _dynamicWidth: width,
              _dynamicHeight: height
            };
          }
        }

        /**
         * Updates the plugin and DOM to the current options.
         * This method should only be called if a update is 100% required.
         * @param updateHints A objects which contains hints for this update:
         * {
         *   _hostSizeChanged : boolean,
         *   _contentSizeChanged : boolean,
         *   _force : boolean,                             == preventSwallowing
         *   _changedOptions : { },                        == preventSwallowing && preventSleep
         *  }
         */
        function update(updateHints) {
          clearTimeout(_swallowedUpdateTimeout);
          updateHints = updateHints || {};
          _swallowedUpdateHints._hostSizeChanged |= updateHints._hostSizeChanged;
          _swallowedUpdateHints._contentSizeChanged |= updateHints._contentSizeChanged;
          _swallowedUpdateHints._force |= updateHints._force;

          var now = COMPATIBILITY.now();
          var hostSizeChanged = !!_swallowedUpdateHints._hostSizeChanged;
          var contentSizeChanged = !!_swallowedUpdateHints._contentSizeChanged;
          var force = !!_swallowedUpdateHints._force;
          var changedOptions = updateHints._changedOptions;
          var swallow = _swallowUpdateLag > 0 && _initialized && !_destroyed && !force && !changedOptions && (now - _lastUpdateTime) < _swallowUpdateLag && (!_heightAutoCache && !_widthAutoCache);
          var displayIsHidden;

          if (swallow)
            _swallowedUpdateTimeout = setTimeout(update, _swallowUpdateLag);

          //abort update due to:
          //destroyed
          //swallowing
          //sleeping
          //host is hidden or has false display
          if (_destroyed || swallow || (_sleeping && !changedOptions) || (_initialized && !force && (displayIsHidden = _hostElement.is(':hidden'))) || _hostElement.css('display') === 'inline')
            return;

          _lastUpdateTime = now;
          _swallowedUpdateHints = {};

          //if scrollbar styling is possible and native scrollbars aren't overlaid the scrollbar styling will be applied which hides the native scrollbars completely.
          if (_nativeScrollbarStyling && !(_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y)) {
            //native scrollbars are hidden, so change the values to zero
            _nativeScrollbarSize.x = 0;
            _nativeScrollbarSize.y = 0;
          } else {
            //refresh native scrollbar size (in case of zoom)
            _nativeScrollbarSize = extendDeep({}, globals.nativeScrollbarSize);
          }

          // Scrollbar padding is needed for firefox, because firefox hides scrollbar automatically if the size of the div is too small.
          // The calculation: [scrollbar size +3 *3]
          // (+3 because of possible decoration e.g. borders, margins etc., but only if native scrollbar is NOT a overlaid scrollbar)
          // (*3 because (1)increase / (2)decrease -button and (3)resize handle)
          _nativeScrollbarMinSize = {
            x: (_nativeScrollbarSize.x + (_nativeScrollbarIsOverlaid.x ? 0 : 3)) * 3,
            y: (_nativeScrollbarSize.y + (_nativeScrollbarIsOverlaid.y ? 0 : 3)) * 3
          };

          changedOptions = changedOptions || {};
          //freezeResizeObserver(_sizeObserverElement, true);
          //freezeResizeObserver(_sizeAutoObserverElement, true);

          var checkCacheAutoForce = function () {
            return checkCache.apply(this, [].slice.call(arguments).concat([force]));
          };

          //save current scroll offset
          var currScroll = {
            x: _viewportElement[_strScrollLeft](),
            y: _viewportElement[_strScrollTop]()
          };

          var currentPreparedOptionsScrollbars = _currentPreparedOptions.scrollbars;
          var currentPreparedOptionsTextarea = _currentPreparedOptions.textarea;

          //scrollbars visibility:
          var scrollbarsVisibility = currentPreparedOptionsScrollbars.visibility;
          var scrollbarsVisibilityChanged = checkCacheAutoForce(scrollbarsVisibility, _scrollbarsVisibilityCache);

          //scrollbars autoHide:
          var scrollbarsAutoHide = currentPreparedOptionsScrollbars.autoHide;
          var scrollbarsAutoHideChanged = checkCacheAutoForce(scrollbarsAutoHide, _scrollbarsAutoHideCache);

          //scrollbars click scrolling
          var scrollbarsClickScrolling = currentPreparedOptionsScrollbars.clickScrolling;
          var scrollbarsClickScrollingChanged = checkCacheAutoForce(scrollbarsClickScrolling, _scrollbarsClickScrollingCache);

          //scrollbars drag scrolling
          var scrollbarsDragScrolling = currentPreparedOptionsScrollbars.dragScrolling;
          var scrollbarsDragScrollingChanged = checkCacheAutoForce(scrollbarsDragScrolling, _scrollbarsDragScrollingCache);

          //className
          var className = _currentPreparedOptions.className;
          var classNameChanged = checkCacheAutoForce(className, _classNameCache);

          //resize
          var resize = _currentPreparedOptions.resize;
          var resizeChanged = checkCacheAutoForce(resize, _resizeCache) && !_isBody; //body can't be resized since the window itself acts as resize possibility.

          //paddingAbsolute
          var paddingAbsolute = _currentPreparedOptions.paddingAbsolute;
          var paddingAbsoluteChanged = checkCacheAutoForce(paddingAbsolute, _paddingAbsoluteCache);

          //clipAlways
          var clipAlways = _currentPreparedOptions.clipAlways;
          var clipAlwaysChanged = checkCacheAutoForce(clipAlways, _clipAlwaysCache);

          //sizeAutoCapable
          var sizeAutoCapable = _currentPreparedOptions.sizeAutoCapable && !_isBody; //body can never be size auto, because it shall be always as big as the viewport.
          var sizeAutoCapableChanged = checkCacheAutoForce(sizeAutoCapable, _sizeAutoCapableCache);

          //showNativeScrollbars
          var ignoreOverlayScrollbarHiding = _currentPreparedOptions.nativeScrollbarsOverlaid.showNativeScrollbars;
          var ignoreOverlayScrollbarHidingChanged = checkCacheAutoForce(ignoreOverlayScrollbarHiding, _ignoreOverlayScrollbarHidingCache);

          //autoUpdate
          var autoUpdate = _currentPreparedOptions.autoUpdate;
          var autoUpdateChanged = checkCacheAutoForce(autoUpdate, _autoUpdateCache);

          //overflowBehavior
          var overflowBehavior = _currentPreparedOptions.overflowBehavior;
          var overflowBehaviorChanged = checkCacheAutoForce(overflowBehavior, _overflowBehaviorCache, force);

          //dynWidth:
          var textareaDynWidth = currentPreparedOptionsTextarea.dynWidth;
          var textareaDynWidthChanged = checkCacheAutoForce(_textareaDynWidthCache, textareaDynWidth);

          //dynHeight:
          var textareaDynHeight = currentPreparedOptionsTextarea.dynHeight;
          var textareaDynHeightChanged = checkCacheAutoForce(_textareaDynHeightCache, textareaDynHeight);

          //scrollbars visibility
          _scrollbarsAutoHideNever = scrollbarsAutoHide === 'n';
          _scrollbarsAutoHideScroll = scrollbarsAutoHide === 's';
          _scrollbarsAutoHideMove = scrollbarsAutoHide === 'm';
          _scrollbarsAutoHideLeave = scrollbarsAutoHide === 'l';

          //scrollbars autoHideDelay
          _scrollbarsAutoHideDelay = currentPreparedOptionsScrollbars.autoHideDelay;

          //old className
          _oldClassName = _classNameCache;

          //resize
          _resizeNone = resize === 'n';
          _resizeBoth = resize === 'b';
          _resizeHorizontal = resize === 'h';
          _resizeVertical = resize === 'v';

          //normalizeRTL
          _normalizeRTLCache = _currentPreparedOptions.normalizeRTL;

          //ignore overlay scrollbar hiding
          ignoreOverlayScrollbarHiding = ignoreOverlayScrollbarHiding && (_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y);

          //refresh options cache
          _scrollbarsVisibilityCache = scrollbarsVisibility;
          _scrollbarsAutoHideCache = scrollbarsAutoHide;
          _scrollbarsClickScrollingCache = scrollbarsClickScrolling;
          _scrollbarsDragScrollingCache = scrollbarsDragScrolling;
          _classNameCache = className;
          _resizeCache = resize;
          _paddingAbsoluteCache = paddingAbsolute;
          _clipAlwaysCache = clipAlways;
          _sizeAutoCapableCache = sizeAutoCapable;
          _ignoreOverlayScrollbarHidingCache = ignoreOverlayScrollbarHiding;
          _autoUpdateCache = autoUpdate;
          _overflowBehaviorCache = extendDeep({}, overflowBehavior);
          _textareaDynWidthCache = textareaDynWidth;
          _textareaDynHeightCache = textareaDynHeight;
          _hasOverflowCache = _hasOverflowCache || {x: false, y: false};

          //set correct class name to the host element
          if (classNameChanged) {
            removeClass(_hostElement, _oldClassName + _strSpace + _classNameThemeNone);
            addClass(_hostElement, className !== undefined && className !== null && className.length > 0 ? className : _classNameThemeNone);
          }

          //set correct auto Update
          if (autoUpdateChanged) {
            if (autoUpdate === true || (autoUpdate === null && _autoUpdateRecommended)) {
              disconnectMutationObservers();
              autoUpdateLoop.add(_base);
            } else {
              autoUpdateLoop.remove(_base);
              connectMutationObservers();
            }
          }

          //activate or deactivate size auto capability
          if (sizeAutoCapableChanged) {
            if (sizeAutoCapable) {
              if (_contentGlueElement) {
                _contentGlueElement.show();
              } else {
                _contentGlueElement = FRAMEWORK(generateDiv(_classNameContentGlueElement));
                _paddingElement.before(_contentGlueElement);
              }
              if (_sizeAutoObserverAdded) {
                _sizeAutoObserverElement.show();
              } else {
                _sizeAutoObserverElement = FRAMEWORK(generateDiv(_classNameSizeAutoObserverElement));
                _sizeAutoObserverElementNative = _sizeAutoObserverElement[0];

                _contentGlueElement.before(_sizeAutoObserverElement);
                var oldSize = {w: -1, h: -1};
                setupResizeObserver(_sizeAutoObserverElement, function () {
                  var newSize = {
                    w: _sizeAutoObserverElementNative[LEXICON.oW],
                    h: _sizeAutoObserverElementNative[LEXICON.oH]
                  };
                  if (checkCache(newSize, oldSize)) {
                    if (_initialized && (_heightAutoCache && newSize.h > 0) || (_widthAutoCache && newSize.w > 0)) {
                      update();
                    } else if (_initialized && (!_heightAutoCache && newSize.h === 0) || (!_widthAutoCache && newSize.w === 0)) {
                      update();
                    }
                  }
                  oldSize = newSize;
                });
                _sizeAutoObserverAdded = true;
                //fix heightAuto detector bug if height is fixed but contentHeight is 0.
                //the probability this bug will ever happen is very very low, thats why its ok if we use calc which isn't supported in IE8.
                if (_cssCalc !== null)
                  _sizeAutoObserverElement.css(_strHeight, _cssCalc + '(100% + 1px)');
              }
            } else {
              if (_sizeAutoObserverAdded)
                _sizeAutoObserverElement.hide();
              if (_contentGlueElement)
                _contentGlueElement.hide();
            }
          }

          //if force, update all resizeObservers too
          if (force) {
            _sizeObserverElement.find('*').trigger(_strScroll);
            if (_sizeAutoObserverAdded)
              _sizeAutoObserverElement.find('*').trigger(_strScroll);
          }

          //display hidden:
          displayIsHidden = displayIsHidden === undefined ? _hostElement.is(':hidden') : displayIsHidden;

          //textarea AutoWrapping:
          var textareaAutoWrapping = _isTextarea ? _targetElement.attr('wrap') !== 'off' : false;
          var textareaAutoWrappingChanged = checkCacheAutoForce(textareaAutoWrapping, _textareaAutoWrappingCache);

          //detect direction:
          var cssDirection = _hostElement.css('direction');
          var cssDirectionChanged = checkCacheAutoForce(cssDirection, _cssDirectionCache);

          //detect box-sizing:
          var boxSizing = _hostElement.css('box-sizing');
          var boxSizingChanged = checkCacheAutoForce(boxSizing, _cssBoxSizingCache);

          //detect padding:
          var padding = getTopRightBottomLeftHost(_strPaddingMinus);

          //width + height auto detecting var:
          var sizeAutoObserverElementBCRect;
          //exception occurs in IE8 sometimes (unknown exception)
          try {
            sizeAutoObserverElementBCRect = _sizeAutoObserverAdded ? _sizeAutoObserverElementNative[LEXICON.bCR]() : null;
          } catch (ex) {
            return;
          }

          _isRTL = cssDirection === 'rtl';
          _isBorderBox = (boxSizing === 'border-box');
          var isRTLLeft = _isRTL ? _strLeft : _strRight;
          var isRTLRight = _isRTL ? _strRight : _strLeft;

          //detect width auto:
          var widthAutoResizeDetection = false;
          var widthAutoObserverDetection = (_sizeAutoObserverAdded && (_hostElement.css(_strFloat) !== 'none' /*|| _isTextarea */)) ? (MATH.round(sizeAutoObserverElementBCRect.right - sizeAutoObserverElementBCRect.left) === 0) && (!paddingAbsolute ? (_hostElementNative[LEXICON.cW] - _paddingX) > 0 : true) : false;
          if (sizeAutoCapable && !widthAutoObserverDetection) {
            var tmpCurrHostWidth = _hostElementNative[LEXICON.oW];
            var tmpCurrContentGlueWidth = _contentGlueElement.css(_strWidth);
            _contentGlueElement.css(_strWidth, _strAuto);

            var tmpNewHostWidth = _hostElementNative[LEXICON.oW];
            _contentGlueElement.css(_strWidth, tmpCurrContentGlueWidth);
            widthAutoResizeDetection = tmpCurrHostWidth !== tmpNewHostWidth;
            if (!widthAutoResizeDetection) {
              _contentGlueElement.css(_strWidth, tmpCurrHostWidth + 1);
              tmpNewHostWidth = _hostElementNative[LEXICON.oW];
              _contentGlueElement.css(_strWidth, tmpCurrContentGlueWidth);
              widthAutoResizeDetection = tmpCurrHostWidth !== tmpNewHostWidth;
            }
          }
          var widthAuto = (widthAutoObserverDetection || widthAutoResizeDetection) && sizeAutoCapable && !displayIsHidden;
          var widthAutoChanged = checkCacheAutoForce(widthAuto, _widthAutoCache);
          var wasWidthAuto = !widthAuto && _widthAutoCache;

          //detect height auto:
          var heightAuto = _sizeAutoObserverAdded && sizeAutoCapable && !displayIsHidden ? (MATH.round(sizeAutoObserverElementBCRect.bottom - sizeAutoObserverElementBCRect.top) === 0) /* && (!paddingAbsolute && (_msieVersion > 9 || !_msieVersion) ? true : true) */ : false;
          var heightAutoChanged = checkCacheAutoForce(heightAuto, _heightAutoCache);
          var wasHeightAuto = !heightAuto && _heightAutoCache;

          //detect border:
          //we need the border only if border box and auto size
          var updateBorderX = (widthAuto && _isBorderBox) || !_isBorderBox;
          var updateBorderY = (heightAuto && _isBorderBox) || !_isBorderBox;
          var border = getTopRightBottomLeftHost(_strBorderMinus, '-' + _strWidth, !updateBorderX, !updateBorderY)

          //detect margin:
          var margin = getTopRightBottomLeftHost(_strMarginMinus);

          //vars to apply correct css
          var contentElementCSS = {};
          var contentGlueElementCSS = {};

          //funcs
          var getHostSize = function () {
            //has to be clientSize because offsetSize respect borders
            return {
              w: _hostElementNative[LEXICON.cW],
              h: _hostElementNative[LEXICON.cH]
            };
          };
          var getViewportSize = function () {
            //viewport size is padding container because it never has padding, margin and a border
            //determine zoom rounding error -> sometimes scrollWidth/Height is smaller than clientWidth/Height
            //if this happens add the difference to the viewportSize to compensate the rounding error
            return {
              w: _paddingElementNative[LEXICON.oW] + MATH.max(0, _contentElementNative[LEXICON.cW] - _contentElementNative[LEXICON.sW]),
              h: _paddingElementNative[LEXICON.oH] + MATH.max(0, _contentElementNative[LEXICON.cH] - _contentElementNative[LEXICON.sH])
            };
          };

          //set info for padding
          var paddingAbsoluteX = _paddingX = padding.l + padding.r;
          var paddingAbsoluteY = _paddingY = padding.t + padding.b;
          paddingAbsoluteX *= paddingAbsolute ? 1 : 0;
          paddingAbsoluteY *= paddingAbsolute ? 1 : 0;
          padding.c = checkCacheAutoForce(padding, _cssPaddingCache);

          //set info for border
          _borderX = border.l + border.r;
          _borderY = border.t + border.b;
          border.c = checkCacheAutoForce(border, _cssBorderCache);

          //set info for margin
          _marginX = margin.l + margin.r;
          _marginY = margin.t + margin.b;
          margin.c = checkCacheAutoForce(margin, _cssMarginCache);

          //refresh cache
          _textareaAutoWrappingCache = textareaAutoWrapping;
          _cssDirectionCache = cssDirection;
          _cssBoxSizingCache = boxSizing;
          _widthAutoCache = widthAuto;
          _heightAutoCache = heightAuto;
          _cssPaddingCache = padding;
          _cssBorderCache = border;
          _cssMarginCache = margin;

          //IEFix direction changed
          if (cssDirectionChanged && _sizeAutoObserverAdded)
            _sizeAutoObserverElement.css(_strFloat, isRTLRight);

          //apply padding:
          if (padding.c || cssDirectionChanged || paddingAbsoluteChanged || widthAutoChanged || heightAutoChanged || boxSizingChanged || sizeAutoCapableChanged) {
            var paddingElementCSS = {};
            var textareaCSS = {};
            var paddingValues = [padding.t, padding.r, padding.b, padding.l];

            setTopRightBottomLeft(contentGlueElementCSS, _strMarginMinus, [-padding.t, -padding.r, -padding.b, -padding.l]);
            if (paddingAbsolute) {
              setTopRightBottomLeft(paddingElementCSS, _strEmpty, paddingValues);
              setTopRightBottomLeft(_isTextarea ? textareaCSS : contentElementCSS, _strPaddingMinus);
            } else {
              setTopRightBottomLeft(paddingElementCSS, _strEmpty);
              setTopRightBottomLeft(_isTextarea ? textareaCSS : contentElementCSS, _strPaddingMinus, paddingValues);
            }

            _paddingElement.css(paddingElementCSS);
            _targetElement.css(textareaCSS);
          }

          //viewport size is padding container because it never has padding, margin and a border.
          _viewportSize = getViewportSize();

          //update Textarea
          var textareaSize = _isTextarea ? textareaUpdate() : false;
          var textareaSizeChanged = _isTextarea && checkCacheAutoForce(textareaSize, _textareaSizeCache);
          var textareaDynOrigSize = _isTextarea && textareaSize ? {
            w: textareaDynWidth ? textareaSize._dynamicWidth : textareaSize._originalWidth,
            h: textareaDynHeight ? textareaSize._dynamicHeight : textareaSize._originalHeight
          } : {};
          _textareaSizeCache = textareaSize;

          //fix height auto / width auto in cooperation with current padding & boxSizing behavior:
          if (heightAuto && (heightAutoChanged || paddingAbsoluteChanged || boxSizingChanged || padding.c || border.c)) {
            contentElementCSS[_strHeight] = _strAuto;
          } else if (heightAutoChanged || paddingAbsoluteChanged) {
            contentElementCSS[_strHeight] = _strHundredPercent;
          }
          if (widthAuto && (widthAutoChanged || paddingAbsoluteChanged || boxSizingChanged || padding.c || border.c || cssDirectionChanged)) {
            contentElementCSS[_strWidth] = _strAuto;
            contentGlueElementCSS[_strMaxMinus + _strWidth] = _strHundredPercent; //IE Fix
          } else if (widthAutoChanged || paddingAbsoluteChanged) {
            contentElementCSS[_strWidth] = _strHundredPercent;
            contentElementCSS[_strFloat] = _strEmpty;
            contentGlueElementCSS[_strMaxMinus + _strWidth] = _strEmpty; //IE Fix
          }
          if (widthAuto) {
            //textareaDynOrigSize.w || _strAuto :: doesnt works because applied margin will shift width
            contentGlueElementCSS[_strWidth] = _strAuto;

            contentElementCSS[_strWidth] = VENDORS._cssPropertyValue(_strWidth, 'max-content intrinsic') || _strAuto;
            contentElementCSS[_strFloat] = isRTLRight;
          } else {
            contentGlueElementCSS[_strWidth] = _strEmpty;
          }
          if (heightAuto) {
            //textareaDynOrigSize.h || _contentElementNative[LEXICON.cH] :: use for anti scroll jumping
            contentGlueElementCSS[_strHeight] = textareaDynOrigSize.h || _contentElementNative[LEXICON.cH];
          } else {
            contentGlueElementCSS[_strHeight] = _strEmpty;
          }
          if (sizeAutoCapable)
            _contentGlueElement.css(contentGlueElementCSS);
          _contentElement.css(contentElementCSS);

          //CHECKPOINT HERE ~
          contentElementCSS = {};
          contentGlueElementCSS = {};

          //if [content(host) client / scroll size, or target element direction, or content(host) max-sizes] changed, or force is true
          if (hostSizeChanged || contentSizeChanged || textareaSizeChanged || cssDirectionChanged || boxSizingChanged || paddingAbsoluteChanged || widthAutoChanged || widthAuto || heightAutoChanged || heightAuto || ignoreOverlayScrollbarHidingChanged || overflowBehaviorChanged || clipAlwaysChanged || resizeChanged || scrollbarsVisibilityChanged || scrollbarsAutoHideChanged || scrollbarsDragScrollingChanged || scrollbarsClickScrollingChanged || textareaDynWidthChanged || textareaDynHeightChanged || textareaAutoWrappingChanged) {
            var strOverflow = 'overflow';
            var strOverflowX = strOverflow + '-x';
            var strOverflowY = strOverflow + '-y';
            var strHidden = 'hidden';
            var strVisible = 'visible';

            //Reset the viewport (very important for natively overlaid scrollbars and zoom change
            //don't change the overflow prop as it is very expensive and affects performance !A LOT!
            if (!_nativeScrollbarStyling) {
              var viewportElementResetCSS = {};
              var resetXTmp = _hasOverflowCache.y && _hideOverflowCache.ys && !ignoreOverlayScrollbarHiding ? (_nativeScrollbarIsOverlaid.y ? _viewportElement.css(isRTLLeft) : -_nativeScrollbarSize.y) : 0;
              var resetBottomTmp = _hasOverflowCache.x && _hideOverflowCache.xs && !ignoreOverlayScrollbarHiding ? (_nativeScrollbarIsOverlaid.x ? _viewportElement.css(_strBottom) : -_nativeScrollbarSize.x) : 0;
              setTopRightBottomLeft(viewportElementResetCSS, _strEmpty);
              _viewportElement.css(viewportElementResetCSS);
            }

            //measure several sizes:
            var contentMeasureElement = getContentMeasureElement();
            //in Firefox content element has to have overflow hidden, else element margins aren't calculated properly, this element prevents this bug, but only if scrollbars aren't overlaid
            var contentSize = {
              //use clientSize because natively overlaidScrollbars add borders
              w: textareaDynOrigSize.w || contentMeasureElement[LEXICON.cW],
              h: textareaDynOrigSize.h || contentMeasureElement[LEXICON.cH]
            };
            var scrollSize = {
              w: contentMeasureElement[LEXICON.sW],
              h: contentMeasureElement[LEXICON.sH]
            };

            //apply the correct viewport style and measure viewport size
            if (!_nativeScrollbarStyling) {
              viewportElementResetCSS[_strBottom] = wasHeightAuto ? _strEmpty : resetBottomTmp;
              viewportElementResetCSS[isRTLLeft] = wasWidthAuto ? _strEmpty : resetXTmp;
              _viewportElement.css(viewportElementResetCSS);
            }
            _viewportSize = getViewportSize();

            //measure and correct several sizes
            var hostSize = getHostSize();
            var hostAbsoluteRectSize = {
              w: hostSize.w - _marginX - _borderX - (_isBorderBox ? 0 : _paddingX),
              h: hostSize.h - _marginY - _borderY - (_isBorderBox ? 0 : _paddingY)
            };
            var contentGlueSize = {
              //client/scrollSize + AbsolutePadding -> because padding is only applied to the paddingElement if its absolute, so you have to add it manually
              //hostSize is clientSize -> so padding should be added manually, right? FALSE! Because content glue is inside hostElement, so we don't have to worry about padding
              w: MATH.max((widthAuto ? contentSize.w : scrollSize.w) + paddingAbsoluteX, hostAbsoluteRectSize.w),
              h: MATH.max((heightAuto ? contentSize.h : scrollSize.h) + paddingAbsoluteY, hostAbsoluteRectSize.h)
            };
            contentGlueSize.c = checkCacheAutoForce(contentGlueSize, _contentGlueSizeCache);
            _contentGlueSizeCache = contentGlueSize;

            //apply correct contentGlue size
            if (sizeAutoCapable) {
              //size contentGlue correctly to make sure the element has correct size if the sizing switches to auto
              if (contentGlueSize.c || (heightAuto || widthAuto)) {
                contentGlueElementCSS[_strWidth] = contentGlueSize.w;
                contentGlueElementCSS[_strHeight] = contentGlueSize.h;

                //textarea-sizes are already calculated correctly at this point
                if (!_isTextarea) {
                  contentSize = {
                    //use clientSize because natively overlaidScrollbars add borders
                    w: contentMeasureElement[LEXICON.cW],
                    h: contentMeasureElement[LEXICON.cH]
                  };
                }
              }
              var textareaCoverCSS = {};
              var setContentGlueElementCSSfunction = function (horizontal) {
                var scrollbarVars = getScrollbarVars(horizontal);
                var wh = scrollbarVars._w_h;
                var strWH = scrollbarVars._width_height;
                var autoSize = horizontal ? widthAuto : heightAuto;
                var borderSize = horizontal ? _borderX : _borderY;
                var paddingSize = horizontal ? _paddingX : _paddingY;
                var marginSize = horizontal ? _marginX : _marginY;
                var viewportSize = _viewportSize[wh] - borderSize - marginSize - (_isBorderBox ? 0 : paddingSize);

                //make contentGlue size -1 if element is not auto sized, to make sure that a resize event happens when the element shrinks
                if (!autoSize || (!autoSize && border.c))
                  contentGlueElementCSS[strWH] = hostAbsoluteRectSize[wh] - 1;

                //if size is auto and host is smaller than size as min size, make content glue size -1 to make sure size changes will be detected (this is only needed if padding is 0)
                if (autoSize && (contentSize[wh] < viewportSize) && (horizontal && _isTextarea ? !textareaAutoWrapping : true)) {
                  if (_isTextarea)
                    textareaCoverCSS[strWH] = parseToZeroOrNumber(_textareaCoverElement.css(strWH)) - 1;
                  contentGlueElementCSS[strWH] -= 1;
                }

                //make sure content glue size is at least 1
                if (contentSize[wh] > 0)
                  contentGlueElementCSS[strWH] = MATH.max(1, contentGlueElementCSS[strWH]);
              };
              setContentGlueElementCSSfunction(true);
              setContentGlueElementCSSfunction(false);

              if (_isTextarea)
                _textareaCoverElement.css(textareaCoverCSS);
              _contentGlueElement.css(contentGlueElementCSS);
            }
            if (widthAuto)
              contentElementCSS[_strWidth] = _strHundredPercent;
            if (widthAuto && !_isBorderBox && !_mutationObserversConnected)
              contentElementCSS[_strFloat] = 'none';

            //apply and reset content style
            _contentElement.css(contentElementCSS);
            contentElementCSS = {};

            //measure again, but this time all correct sizes:
            var contentScrollSize = {
              w: contentMeasureElement[LEXICON.sW],
              h: contentMeasureElement[LEXICON.sH],
            };
            contentScrollSize.c = contentSizeChanged = checkCacheAutoForce(contentScrollSize, _contentScrollSizeCache);
            _contentScrollSizeCache = contentScrollSize;

            //refresh viewport size after correct measuring
            _viewportSize = getViewportSize();

            hostSize = getHostSize();
            hostSizeChanged = checkCacheAutoForce(hostSize, _hostSizeCache);
            _hostSizeCache = hostSize;

            var hideOverflowForceTextarea = _isTextarea && (_viewportSize.w === 0 || _viewportSize.h === 0);
            var previousOverflowAmount = _overflowAmountCache;
            var overflowBehaviorIsVS = {};
            var overflowBehaviorIsVH = {};
            var overflowBehaviorIsS = {};
            var overflowAmount = {};
            var hasOverflow = {};
            var hideOverflow = {};
            var canScroll = {};
            var viewportRect = _paddingElementNative[LEXICON.bCR]();
            var setOverflowVariables = function (horizontal) {
              var scrollbarVars = getScrollbarVars(horizontal);
              var scrollbarVarsInverted = getScrollbarVars(!horizontal);
              var xyI = scrollbarVarsInverted._x_y;
              var xy = scrollbarVars._x_y;
              var wh = scrollbarVars._w_h;
              var widthHeight = scrollbarVars._width_height;
              var scrollMax = _strScroll + scrollbarVars._Left_Top + 'Max';
              var fractionalOverflowAmount = viewportRect[widthHeight] ? MATH.abs(viewportRect[widthHeight] - _viewportSize[wh]) : 0;
              var checkFractionalOverflowAmount = previousOverflowAmount && previousOverflowAmount[xy] > 0 && _viewportElementNative[scrollMax] === 0;
              overflowBehaviorIsVS[xy] = overflowBehavior[xy] === 'v-s';
              overflowBehaviorIsVH[xy] = overflowBehavior[xy] === 'v-h';
              overflowBehaviorIsS[xy] = overflowBehavior[xy] === 's';
              overflowAmount[xy] = MATH.max(0, MATH.round((contentScrollSize[wh] - _viewportSize[wh]) * 100) / 100);
              overflowAmount[xy] *= (hideOverflowForceTextarea || (checkFractionalOverflowAmount && fractionalOverflowAmount > 0 && fractionalOverflowAmount < 1)) ? 0 : 1;
              hasOverflow[xy] = overflowAmount[xy] > 0;

              //hideOverflow:
              //x || y : true === overflow is hidden by "overflow: scroll" OR "overflow: hidden"
              //xs || ys : true === overflow is hidden by "overflow: scroll"
              hideOverflow[xy] = overflowBehaviorIsVS[xy] || overflowBehaviorIsVH[xy] ? (hasOverflow[xyI] && !overflowBehaviorIsVS[xyI] && !overflowBehaviorIsVH[xyI]) : hasOverflow[xy];
              hideOverflow[xy + 's'] = hideOverflow[xy] ? (overflowBehaviorIsS[xy] || overflowBehaviorIsVS[xy]) : false;

              canScroll[xy] = hasOverflow[xy] && hideOverflow[xy + 's'];
            };
            setOverflowVariables(true);
            setOverflowVariables(false);

            overflowAmount.c = checkCacheAutoForce(overflowAmount, _overflowAmountCache);
            _overflowAmountCache = overflowAmount;
            hasOverflow.c = checkCacheAutoForce(hasOverflow, _hasOverflowCache);
            _hasOverflowCache = hasOverflow;
            hideOverflow.c = checkCacheAutoForce(hideOverflow, _hideOverflowCache);
            _hideOverflowCache = hideOverflow;

            //if native scrollbar is overlay at x OR y axis, prepare DOM
            if (_nativeScrollbarIsOverlaid.x || _nativeScrollbarIsOverlaid.y) {
              var borderDesign = 'px solid transparent';
              var contentArrangeElementCSS = {};
              var arrangeContent = {};
              var arrangeChanged = force;
              var setContentElementCSS;

              if (hasOverflow.x || hasOverflow.y) {
                arrangeContent.w = _nativeScrollbarIsOverlaid.y && hasOverflow.y ? contentScrollSize.w + _overlayScrollbarDummySize.y : _strEmpty;
                arrangeContent.h = _nativeScrollbarIsOverlaid.x && hasOverflow.x ? contentScrollSize.h + _overlayScrollbarDummySize.x : _strEmpty;
                arrangeChanged = checkCacheAutoForce(arrangeContent, _arrangeContentSizeCache);
                _arrangeContentSizeCache = arrangeContent;
              }

              if (hasOverflow.c || hideOverflow.c || contentScrollSize.c || cssDirectionChanged || widthAutoChanged || heightAutoChanged || widthAuto || heightAuto || ignoreOverlayScrollbarHidingChanged) {
                contentElementCSS[_strMarginMinus + isRTLRight] = contentElementCSS[_strBorderMinus + isRTLRight] = _strEmpty;
                setContentElementCSS = function (horizontal) {
                  var scrollbarVars = getScrollbarVars(horizontal);
                  var scrollbarVarsInverted = getScrollbarVars(!horizontal);
                  var xy = scrollbarVars._x_y;
                  var strDirection = horizontal ? _strBottom : isRTLLeft;
                  var invertedAutoSize = horizontal ? heightAuto : widthAuto;

                  if (_nativeScrollbarIsOverlaid[xy] && hasOverflow[xy] && hideOverflow[xy + 's']) {
                    contentElementCSS[_strMarginMinus + strDirection] = invertedAutoSize ? (ignoreOverlayScrollbarHiding ? _strEmpty : _overlayScrollbarDummySize[xy]) : _strEmpty;
                    contentElementCSS[_strBorderMinus + strDirection] = ((horizontal ? !invertedAutoSize : true) && !ignoreOverlayScrollbarHiding) ? (_overlayScrollbarDummySize[xy] + borderDesign) : _strEmpty;
                  } else {
                    arrangeContent[scrollbarVarsInverted._w_h] =
                      contentElementCSS[_strMarginMinus + strDirection] =
                        contentElementCSS[_strBorderMinus + strDirection] = _strEmpty;
                    arrangeChanged = true;
                  }
                };

                if (_nativeScrollbarStyling) {
                  addRemoveClass(_viewportElement, _classNameViewportNativeScrollbarsInvisible, !ignoreOverlayScrollbarHiding)
                } else {
                  setContentElementCSS(true);
                  setContentElementCSS(false);
                }
              }
              if (ignoreOverlayScrollbarHiding) {
                arrangeContent.w = arrangeContent.h = _strEmpty;
                arrangeChanged = true;
              }
              if (arrangeChanged && !_nativeScrollbarStyling) {
                contentArrangeElementCSS[_strWidth] = hideOverflow.y ? arrangeContent.w : _strEmpty;
                contentArrangeElementCSS[_strHeight] = hideOverflow.x ? arrangeContent.h : _strEmpty;

                if (!_contentArrangeElement) {
                  _contentArrangeElement = FRAMEWORK(generateDiv(_classNameContentArrangeElement));
                  _viewportElement.prepend(_contentArrangeElement);
                }
                _contentArrangeElement.css(contentArrangeElementCSS);
              }
              _contentElement.css(contentElementCSS);
            }

            var viewportElementCSS = {};
            var paddingElementCSS = {};
            var setViewportCSS;
            if (hostSizeChanged || hasOverflow.c || hideOverflow.c || contentScrollSize.c || overflowBehaviorChanged || boxSizingChanged || ignoreOverlayScrollbarHidingChanged || cssDirectionChanged || clipAlwaysChanged || heightAutoChanged) {
              viewportElementCSS[isRTLRight] = _strEmpty;
              setViewportCSS = function (horizontal) {
                var scrollbarVars = getScrollbarVars(horizontal);
                var scrollbarVarsInverted = getScrollbarVars(!horizontal);
                var xy = scrollbarVars._x_y;
                var XY = scrollbarVars._X_Y;
                var strDirection = horizontal ? _strBottom : isRTLLeft;

                var reset = function () {
                  viewportElementCSS[strDirection] = _strEmpty;
                  _contentBorderSize[scrollbarVarsInverted._w_h] = 0;
                };
                if (hasOverflow[xy] && hideOverflow[xy + 's']) {
                  viewportElementCSS[strOverflow + XY] = _strScroll;
                  if (ignoreOverlayScrollbarHiding || _nativeScrollbarStyling) {
                    reset();
                  } else {
                    viewportElementCSS[strDirection] = -(_nativeScrollbarIsOverlaid[xy] ? _overlayScrollbarDummySize[xy] : _nativeScrollbarSize[xy]);
                    _contentBorderSize[scrollbarVarsInverted._w_h] = _nativeScrollbarIsOverlaid[xy] ? _overlayScrollbarDummySize[scrollbarVarsInverted._x_y] : 0;
                  }
                } else {
                  viewportElementCSS[strOverflow + XY] = _strEmpty;
                  reset();
                }
              };
              setViewportCSS(true);
              setViewportCSS(false);

              // if the scroll container is too small and if there is any overflow with no overlay scrollbar (and scrollbar styling isn't possible),
              // make viewport element greater in size (Firefox hide Scrollbars fix)
              // because firefox starts hiding scrollbars on too small elements
              // with this behavior the overflow calculation may be incorrect or the scrollbars would appear suddenly
              // https://bugzilla.mozilla.org/show_bug.cgi?id=292284
              if (!_nativeScrollbarStyling
                && (_viewportSize.h < _nativeScrollbarMinSize.x || _viewportSize.w < _nativeScrollbarMinSize.y)
                && ((hasOverflow.x && hideOverflow.x && !_nativeScrollbarIsOverlaid.x) || (hasOverflow.y && hideOverflow.y && !_nativeScrollbarIsOverlaid.y))) {
                viewportElementCSS[_strPaddingMinus + _strTop] = _nativeScrollbarMinSize.x;
                viewportElementCSS[_strMarginMinus + _strTop] = -_nativeScrollbarMinSize.x;

                viewportElementCSS[_strPaddingMinus + isRTLRight] = _nativeScrollbarMinSize.y;
                viewportElementCSS[_strMarginMinus + isRTLRight] = -_nativeScrollbarMinSize.y;
              } else {
                viewportElementCSS[_strPaddingMinus + _strTop] =
                  viewportElementCSS[_strMarginMinus + _strTop] =
                    viewportElementCSS[_strPaddingMinus + isRTLRight] =
                      viewportElementCSS[_strMarginMinus + isRTLRight] = _strEmpty;
              }
              viewportElementCSS[_strPaddingMinus + isRTLLeft] =
                viewportElementCSS[_strMarginMinus + isRTLLeft] = _strEmpty;

              //if there is any overflow (x OR y axis) and this overflow shall be hidden, make overflow hidden, else overflow visible
              if ((hasOverflow.x && hideOverflow.x) || (hasOverflow.y && hideOverflow.y) || hideOverflowForceTextarea) {
                //only hide if is Textarea
                if (_isTextarea && hideOverflowForceTextarea) {
                  paddingElementCSS[strOverflowX] =
                    paddingElementCSS[strOverflowY] = strHidden;
                }
              } else {
                if (!clipAlways || (overflowBehaviorIsVH.x || overflowBehaviorIsVS.x || overflowBehaviorIsVH.y || overflowBehaviorIsVS.y)) {
                  //only un-hide if Textarea
                  if (_isTextarea) {
                    paddingElementCSS[strOverflowX] =
                      paddingElementCSS[strOverflowY] = _strEmpty;
                  }
                  viewportElementCSS[strOverflowX] =
                    viewportElementCSS[strOverflowY] = strVisible;
                }
              }

              _paddingElement.css(paddingElementCSS);
              _viewportElement.css(viewportElementCSS);
              viewportElementCSS = {};

              //force soft redraw in webkit because without the scrollbars will may appear because DOM wont be redrawn under special conditions
              if ((hasOverflow.c || boxSizingChanged || widthAutoChanged || heightAutoChanged) && !(_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y)) {
                var elementStyle = _contentElementNative[LEXICON.s];
                var dump;
                elementStyle.webkitTransform = 'scale(1)';
                elementStyle.display = 'run-in';
                dump = _contentElementNative[LEXICON.oH];
                elementStyle.display = _strEmpty; //|| dump; //use dump to prevent it from deletion if minify
                elementStyle.webkitTransform = _strEmpty;
              }
              /*
                            //force hard redraw in webkit if native overlaid scrollbars shall appear
                            if (ignoreOverlayScrollbarHidingChanged && ignoreOverlayScrollbarHiding) {
                                _hostElement.hide();
                                var dump = _hostElementNative[LEXICON.oH];
                                _hostElement.show();
                            }
                            */
            }

            //change to direction RTL and width auto Bugfix in Webkit
            //without this fix, the DOM still thinks the scrollbar is LTR and thus the content is shifted to the left
            contentElementCSS = {};
            if (cssDirectionChanged || widthAutoChanged || heightAutoChanged) {
              if (_isRTL && widthAuto) {
                var floatTmp = _contentElement.css(_strFloat);
                var posLeftWithoutFloat = MATH.round(_contentElement.css(_strFloat, _strEmpty).css(_strLeft, _strEmpty).position().left);
                _contentElement.css(_strFloat, floatTmp);
                var posLeftWithFloat = MATH.round(_contentElement.position().left);

                if (posLeftWithoutFloat !== posLeftWithFloat)
                  contentElementCSS[_strLeft] = posLeftWithoutFloat;
              } else {
                contentElementCSS[_strLeft] = _strEmpty;
              }
            }
            _contentElement.css(contentElementCSS);

            //handle scroll position
            if (_isTextarea && contentSizeChanged) {
              var textareaInfo = getTextareaInfo();
              if (textareaInfo) {
                var textareaRowsChanged = _textareaInfoCache === undefined ? true : textareaInfo._rows !== _textareaInfoCache._rows;
                var cursorRow = textareaInfo._cursorRow;
                var cursorCol = textareaInfo._cursorColumn;
                var widestRow = textareaInfo._widestRow;
                var lastRow = textareaInfo._rows;
                var lastCol = textareaInfo._columns;
                var cursorPos = textareaInfo._cursorPosition;
                var cursorMax = textareaInfo._cursorMax;
                var cursorIsLastPosition = (cursorPos >= cursorMax && _textareaHasFocus);
                var textareaScrollAmount = {
                  x: (!textareaAutoWrapping && (cursorCol === lastCol && cursorRow === widestRow)) ? _overflowAmountCache.x : -1,
                  y: (textareaAutoWrapping ? cursorIsLastPosition || textareaRowsChanged && (previousOverflowAmount ? (currScroll.y === previousOverflowAmount.y) : false) : (cursorIsLastPosition || textareaRowsChanged) && cursorRow === lastRow) ? _overflowAmountCache.y : -1
                };
                currScroll.x = textareaScrollAmount.x > -1 ? (_isRTL && _normalizeRTLCache && _rtlScrollBehavior.i ? 0 : textareaScrollAmount.x) : currScroll.x; //if inverted, scroll to 0 -> normalized this means to max scroll offset.
                currScroll.y = textareaScrollAmount.y > -1 ? textareaScrollAmount.y : currScroll.y;
              }
              _textareaInfoCache = textareaInfo;
            }
            if (_isRTL && _rtlScrollBehavior.i && _nativeScrollbarIsOverlaid.y && hasOverflow.x && _normalizeRTLCache)
              currScroll.x += _contentBorderSize.w || 0;
            if (widthAuto)
              _hostElement[_strScrollLeft](0);
            if (heightAuto)
              _hostElement[_strScrollTop](0);
            _viewportElement[_strScrollLeft](currScroll.x)[_strScrollTop](currScroll.y);

            //scrollbars management:
            var scrollbarsVisibilityVisible = scrollbarsVisibility === 'v';
            var scrollbarsVisibilityHidden = scrollbarsVisibility === 'h';
            var scrollbarsVisibilityAuto = scrollbarsVisibility === 'a';
            var refreshScrollbarsVisibility = function (showX, showY) {
              showY = showY === undefined ? showX : showY;
              refreshScrollbarAppearance(true, showX, canScroll.x)
              refreshScrollbarAppearance(false, showY, canScroll.y)
            };

            //manage class name which indicates scrollable overflow
            addRemoveClass(_hostElement, _classNameHostOverflow, hideOverflow.x || hideOverflow.y);
            addRemoveClass(_hostElement, _classNameHostOverflowX, hideOverflow.x);
            addRemoveClass(_hostElement, _classNameHostOverflowY, hideOverflow.y);

            //add or remove rtl class name for styling purposes except when its body, then the scrollbar stays
            if (cssDirectionChanged && !_isBody) {
              addRemoveClass(_hostElement, _classNameHostRTL, _isRTL);
            }

            //manage the resize feature (CSS3 resize "polyfill" for this plugin)
            if (_isBody)
              addClass(_hostElement, _classNameHostResizeDisabled);
            if (resizeChanged) {
              addRemoveClass(_hostElement, _classNameHostResizeDisabled, _resizeNone);
              addRemoveClass(_scrollbarCornerElement, _classNameScrollbarCornerResize, !_resizeNone);
              addRemoveClass(_scrollbarCornerElement, _classNameScrollbarCornerResizeB, _resizeBoth);
              addRemoveClass(_scrollbarCornerElement, _classNameScrollbarCornerResizeH, _resizeHorizontal);
              addRemoveClass(_scrollbarCornerElement, _classNameScrollbarCornerResizeV, _resizeVertical);
            }

            //manage the scrollbars general visibility + the scrollbar interactivity (unusable class name)
            if (scrollbarsVisibilityChanged || overflowBehaviorChanged || hideOverflow.c || hasOverflow.c || ignoreOverlayScrollbarHidingChanged) {
              if (ignoreOverlayScrollbarHiding) {
                if (ignoreOverlayScrollbarHidingChanged) {
                  removeClass(_hostElement, _classNameHostScrolling);
                  if (ignoreOverlayScrollbarHiding) {
                    refreshScrollbarsVisibility(false);
                  }
                }
              } else if (scrollbarsVisibilityAuto) {
                refreshScrollbarsVisibility(canScroll.x, canScroll.y);
              } else if (scrollbarsVisibilityVisible) {
                refreshScrollbarsVisibility(true);
              } else if (scrollbarsVisibilityHidden) {
                refreshScrollbarsVisibility(false);
              }
            }

            //manage the scrollbars auto hide feature (auto hide them after specific actions)
            if (scrollbarsAutoHideChanged || ignoreOverlayScrollbarHidingChanged) {
              setupHostMouseTouchEvents(!_scrollbarsAutoHideLeave && !_scrollbarsAutoHideMove);
              refreshScrollbarsAutoHide(_scrollbarsAutoHideNever, !_scrollbarsAutoHideNever);
            }

            //manage scrollbars handle length & offset - don't remove!
            if (hostSizeChanged || overflowAmount.c || heightAutoChanged || widthAutoChanged || resizeChanged || boxSizingChanged || paddingAbsoluteChanged || ignoreOverlayScrollbarHidingChanged || cssDirectionChanged) {
              refreshScrollbarHandleLength(true);
              refreshScrollbarHandleOffset(true);
              refreshScrollbarHandleLength(false);
              refreshScrollbarHandleOffset(false);
            }

            //manage interactivity
            if (scrollbarsClickScrollingChanged)
              refreshScrollbarsInteractive(true, scrollbarsClickScrolling);
            if (scrollbarsDragScrollingChanged)
              refreshScrollbarsInteractive(false, scrollbarsDragScrolling);

            //callbacks:
            dispatchCallback('onDirectionChanged', {
              isRTL: _isRTL,
              dir: cssDirection
            }, cssDirectionChanged);
            dispatchCallback('onHostSizeChanged', {
              width: _hostSizeCache.w,
              height: _hostSizeCache.h
            }, hostSizeChanged);
            dispatchCallback('onContentSizeChanged', {
              width: _contentScrollSizeCache.w,
              height: _contentScrollSizeCache.h
            }, contentSizeChanged);
            dispatchCallback('onOverflowChanged', {
              x: hasOverflow.x,
              y: hasOverflow.y,
              xScrollable: hideOverflow.xs,
              yScrollable: hideOverflow.ys,
              clipped: hideOverflow.x || hideOverflow.y
            }, hasOverflow.c || hideOverflow.c);
            dispatchCallback('onOverflowAmountChanged', {
              x: overflowAmount.x,
              y: overflowAmount.y
            }, overflowAmount.c);
          }

          //fix body min size
          if (_isBody && _bodyMinSizeCache && (_hasOverflowCache.c || _bodyMinSizeCache.c)) {
            //its possible that no min size was measured until now, because the content arrange element was just added now, in this case, measure now the min size.
            if (!_bodyMinSizeCache.f)
              bodyMinSizeChanged();
            if (_nativeScrollbarIsOverlaid.y && _hasOverflowCache.x)
              _contentElement.css(_strMinMinus + _strWidth, _bodyMinSizeCache.w + _overlayScrollbarDummySize.y);
            if (_nativeScrollbarIsOverlaid.x && _hasOverflowCache.y)
              _contentElement.css(_strMinMinus + _strHeight, _bodyMinSizeCache.h + _overlayScrollbarDummySize.x);
            _bodyMinSizeCache.c = false;
          }

          if (_initialized && changedOptions.updateOnLoad) {
            updateElementsOnLoad();
          }

          //freezeResizeObserver(_sizeObserverElement, false);
          //freezeResizeObserver(_sizeAutoObserverElement, false);

          dispatchCallback('onUpdated', {forced: force});
        }

        /**
         * Updates the found elements of which the load event shall be handled.
         */
        function updateElementsOnLoad() {
          if (!_isTextarea) {
            eachUpdateOnLoad(function (i, updateOnLoadSelector) {
              _contentElement.find(updateOnLoadSelector).each(function (i, el) {
                // if element doesn't have a updateOnLoadCallback applied
                if (COMPATIBILITY.inA(el, _updateOnLoadElms) < 0) {
                  _updateOnLoadElms.push(el);
                  FRAMEWORK(el)
                    .off(_updateOnLoadEventName, updateOnLoadCallback)
                    .on(_updateOnLoadEventName, updateOnLoadCallback);
                }
              });
            });
          }
        }

        //==== Options ====//

        /**
         * Sets new options but doesn't call the update method.
         * @param newOptions The object which contains the new options.
         * @returns {*} A object which contains the changed options.
         */
        function setOptions(newOptions) {
          var validatedOpts = _pluginsOptions._validate(newOptions, _pluginsOptions._template, true, _currentOptions)

          _currentOptions = extendDeep({}, _currentOptions, validatedOpts._default);
          _currentPreparedOptions = extendDeep({}, _currentPreparedOptions, validatedOpts._prepared);

          return validatedOpts._prepared;
        }


        //==== Structure ====//

        /**
         * Builds or destroys the wrapper and helper DOM elements.
         * @param destroy Indicates whether the DOM shall be build or destroyed.
         */
        /**
         * Builds or destroys the wrapper and helper DOM elements.
         * @param destroy Indicates whether the DOM shall be build or destroyed.
         */
        function setupStructureDOM(destroy) {
          var strParent = 'parent';
          var classNameResizeObserverHost = 'os-resize-observer-host';
          var classNameTextareaElementFull = _classNameTextareaElement + _strSpace + _classNameTextInherit;
          var textareaClass = _isTextarea ? _strSpace + _classNameTextInherit : _strEmpty;
          var adoptAttrs = _currentPreparedOptions.textarea.inheritedAttrs;
          var adoptAttrsMap = {};
          var applyAdoptedAttrs = function () {
            var applyAdoptedAttrsElm = destroy ? _targetElement : _hostElement;
            each(adoptAttrsMap, function (key, value) {
              if (type(value) == TYPES.s) {
                if (key == LEXICON.c)
                  applyAdoptedAttrsElm.addClass(value);
                else
                  applyAdoptedAttrsElm.attr(key, value);
              }
            });
          };
          var hostElementClassNames = [
            _classNameHostElement,
            _classNameHostElementForeign,
            _classNameHostTextareaElement,
            _classNameHostResizeDisabled,
            _classNameHostRTL,
            _classNameHostScrollbarHorizontalHidden,
            _classNameHostScrollbarVerticalHidden,
            _classNameHostTransition,
            _classNameHostScrolling,
            _classNameHostOverflow,
            _classNameHostOverflowX,
            _classNameHostOverflowY,
            _classNameThemeNone,
            _classNameTextareaElement,
            _classNameTextInherit,
            _classNameCache].join(_strSpace);
          var hostElementCSS = {};

          //get host element as first element, because that's the most upper element and required for the other elements
          _hostElement = _hostElement || (_isTextarea ? (_domExists ? _targetElement[strParent]()[strParent]()[strParent]()[strParent]() : FRAMEWORK(generateDiv(_classNameHostTextareaElement))) : _targetElement);
          _contentElement = _contentElement || selectOrGenerateDivByClass(_classNameContentElement + textareaClass);
          _viewportElement = _viewportElement || selectOrGenerateDivByClass(_classNameViewportElement + textareaClass);
          _paddingElement = _paddingElement || selectOrGenerateDivByClass(_classNamePaddingElement + textareaClass);
          _sizeObserverElement = _sizeObserverElement || selectOrGenerateDivByClass(classNameResizeObserverHost);
          _textareaCoverElement = _textareaCoverElement || (_isTextarea ? selectOrGenerateDivByClass(_classNameTextareaCoverElement) : undefined);

          //add this class to workaround class changing issues with UI frameworks especially Vue
          if (_domExists)
            addClass(_hostElement, _classNameHostElementForeign);

          //on destroy, remove all generated class names from the host element before collecting the adopted attributes
          //to prevent adopting generated class names
          if (destroy)
            removeClass(_hostElement, hostElementClassNames);

          //collect all adopted attributes
          adoptAttrs = type(adoptAttrs) == TYPES.s ? adoptAttrs.split(_strSpace) : adoptAttrs;
          if (COMPATIBILITY.isA(adoptAttrs) && _isTextarea) {
            each(adoptAttrs, function (i, v) {
              if (type(v) == TYPES.s) {
                adoptAttrsMap[v] = destroy ? _hostElement.attr(v) : _targetElement.attr(v);
              }
            });
          }

          if (!destroy) {
            if (_isTextarea) {
              if (!_currentPreparedOptions.sizeAutoCapable) {
                hostElementCSS[_strWidth] = _targetElement.css(_strWidth);
                hostElementCSS[_strHeight] = _targetElement.css(_strHeight);
              }

              if (!_domExists)
                _targetElement.addClass(_classNameTextInherit).wrap(_hostElement);

              //jQuery clones elements in wrap functions, so we have to select them again
              _hostElement = _targetElement[strParent]().css(hostElementCSS);
            }

            if (!_domExists) {
              //add the correct class to the target element
              addClass(_targetElement, _isTextarea ? classNameTextareaElementFull : _classNameHostElement);

              //wrap the content into the generated elements to create the required DOM
              _hostElement.wrapInner(_contentElement)
                .wrapInner(_viewportElement)
                .wrapInner(_paddingElement)
                .prepend(_sizeObserverElement);

              //jQuery clones elements in wrap functions, so we have to select them again
              _contentElement = findFirst(_hostElement, _strDot + _classNameContentElement);
              _viewportElement = findFirst(_hostElement, _strDot + _classNameViewportElement);
              _paddingElement = findFirst(_hostElement, _strDot + _classNamePaddingElement);

              if (_isTextarea) {
                _contentElement.prepend(_textareaCoverElement);
                applyAdoptedAttrs();
              }
            }

            if (_nativeScrollbarStyling)
              addClass(_viewportElement, _classNameViewportNativeScrollbarsInvisible);
            if (_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y)
              addClass(_viewportElement, _classNameViewportNativeScrollbarsOverlaid);
            if (_isBody)
              addClass(_htmlElement, _classNameHTMLElement);

            _sizeObserverElementNative = _sizeObserverElement[0];
            _hostElementNative = _hostElement[0];
            _paddingElementNative = _paddingElement[0];
            _viewportElementNative = _viewportElement[0];
            _contentElementNative = _contentElement[0];

            updateViewportAttrsFromTarget();
          } else {
            if (_domExists && _initialized) {
              //clear size observer
              _sizeObserverElement.children().remove();

              //remove the style property and classes from already generated elements
              each([_paddingElement, _viewportElement, _contentElement, _textareaCoverElement], function (i, elm) {
                if (elm) {
                  removeClass(elm.removeAttr(LEXICON.s), _classNamesDynamicDestroy);
                }
              });

              //add classes to the host element which was removed previously to match the expected DOM
              addClass(_hostElement, _isTextarea ? _classNameHostTextareaElement : _classNameHostElement);
            } else {
              //remove size observer
              remove(_sizeObserverElement);

              //unwrap the content to restore DOM
              _contentElement.contents()
                .unwrap()
                .unwrap()
                .unwrap();

              if (_isTextarea) {
                _targetElement.unwrap();
                remove(_hostElement);
                remove(_textareaCoverElement);
                applyAdoptedAttrs();
              }
            }

            if (_isTextarea)
              _targetElement.removeAttr(LEXICON.s);

            if (_isBody)
              removeClass(_htmlElement, _classNameHTMLElement);
          }
        }

        /**
         * Adds or removes all wrapper elements interactivity events.
         * @param destroy Indicates whether the Events shall be added or removed.
         */
        function setupStructureEvents() {
          var textareaKeyDownRestrictedKeyCodes = [
            112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 123,    //F1 to F12
            33, 34,                                                   //page up, page down
            37, 38, 39, 40,                                           //left, up, right, down arrows
            16, 17, 18, 19, 20, 144                                   //Shift, Ctrl, Alt, Pause, CapsLock, NumLock
          ];
          var textareaKeyDownKeyCodesList = [];
          var textareaUpdateIntervalID;
          var scrollStopTimeoutId;
          var scrollStopDelay = 175;
          var strFocus = 'focus';

          function updateTextarea(doClearInterval) {
            textareaUpdate();
            _base.update(_strAuto);
            if (doClearInterval && _autoUpdateRecommended)
              clearInterval(textareaUpdateIntervalID);
          }

          function textareaOnScroll(event) {
            _targetElement[_strScrollLeft](_rtlScrollBehavior.i && _normalizeRTLCache ? 9999999 : 0);
            _targetElement[_strScrollTop](0);
            COMPATIBILITY.prvD(event);
            COMPATIBILITY.stpP(event);
            return false;
          }

          function textareaOnDrop(event) {
            setTimeout(function () {
              if (!_destroyed)
                updateTextarea();
            }, 50);
          }

          function textareaOnFocus() {
            _textareaHasFocus = true;
            addClass(_hostElement, strFocus);
          }

          function textareaOnFocusout() {
            _textareaHasFocus = false;
            textareaKeyDownKeyCodesList = [];
            removeClass(_hostElement, strFocus);
            updateTextarea(true);
          }

          function textareaOnKeyDown(event) {
            var keyCode = event.keyCode;

            if (inArray(keyCode, textareaKeyDownRestrictedKeyCodes) < 0) {
              if (!textareaKeyDownKeyCodesList[LEXICON.l]) {
                updateTextarea();
                textareaUpdateIntervalID = setInterval(updateTextarea, 1000 / 60);
              }
              if (inArray(keyCode, textareaKeyDownKeyCodesList) < 0)
                textareaKeyDownKeyCodesList.push(keyCode);
            }
          }

          function textareaOnKeyUp(event) {
            var keyCode = event.keyCode;
            var index = inArray(keyCode, textareaKeyDownKeyCodesList);

            if (inArray(keyCode, textareaKeyDownRestrictedKeyCodes) < 0) {
              if (index > -1)
                textareaKeyDownKeyCodesList.splice(index, 1);
              if (!textareaKeyDownKeyCodesList[LEXICON.l])
                updateTextarea(true);
            }
          }

          function contentOnTransitionEnd(event) {
            if (_autoUpdateCache === true)
              return;
            event = event.originalEvent || event;
            if (isSizeAffectingCSSProperty(event.propertyName))
              _base.update(_strAuto);
          }

          function viewportOnScroll(event) {
            if (!_sleeping) {
              if (scrollStopTimeoutId !== undefined)
                clearTimeout(scrollStopTimeoutId);
              else {
                if (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove)
                  refreshScrollbarsAutoHide(true);

                if (!nativeOverlayScrollbarsAreActive())
                  addClass(_hostElement, _classNameHostScrolling);

                dispatchCallback('onScrollStart', event);
              }

              //if a scrollbars handle gets dragged, the mousemove event is responsible for refreshing the handle offset
              //because if CSS scroll-snap is used, the handle offset gets only refreshed on every snap point
              //this looks laggy & clunky, it looks much better if the offset refreshes with the mousemove
              if (!_scrollbarsHandlesDefineScrollPos) {
                refreshScrollbarHandleOffset(true);
                refreshScrollbarHandleOffset(false);
              }
              dispatchCallback('onScroll', event);

              scrollStopTimeoutId = setTimeout(function () {
                if (!_destroyed) {
                  //OnScrollStop:
                  clearTimeout(scrollStopTimeoutId);
                  scrollStopTimeoutId = undefined;

                  if (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove)
                    refreshScrollbarsAutoHide(false);

                  if (!nativeOverlayScrollbarsAreActive())
                    removeClass(_hostElement, _classNameHostScrolling);

                  dispatchCallback('onScrollStop', event);
                }
              }, scrollStopDelay);
            }
          }


          if (_isTextarea) {
            if (_msieVersion > 9 || !_autoUpdateRecommended) {
              addDestroyEventListener(_targetElement, 'input', updateTextarea);
            } else {
              addDestroyEventListener(_targetElement,
                [_strKeyDownEvent, _strKeyUpEvent],
                [textareaOnKeyDown, textareaOnKeyUp]);
            }

            addDestroyEventListener(_targetElement,
              [_strScroll, 'drop', strFocus, strFocus + 'out'],
              [textareaOnScroll, textareaOnDrop, textareaOnFocus, textareaOnFocusout]);
          } else {
            addDestroyEventListener(_contentElement, _strTransitionEndEvent, contentOnTransitionEnd);
          }
          addDestroyEventListener(_viewportElement, _strScroll, viewportOnScroll, true);
        }


        //==== Scrollbars ====//

        /**
         * Builds or destroys all scrollbar DOM elements (scrollbar, track, handle)
         * @param destroy Indicates whether the DOM shall be build or destroyed.
         */
        function setupScrollbarsDOM(destroy) {
          var selectOrGenerateScrollbarDOM = function (isHorizontal) {
            var scrollbarClassName = isHorizontal ? _classNameScrollbarHorizontal : _classNameScrollbarVertical;
            var scrollbar = selectOrGenerateDivByClass(_classNameScrollbar + _strSpace + scrollbarClassName, true);
            var track = selectOrGenerateDivByClass(_classNameScrollbarTrack, scrollbar);
            var handle = selectOrGenerateDivByClass(_classNameScrollbarHandle, scrollbar);

            if (!_domExists && !destroy) {
              scrollbar.append(track);
              track.append(handle);
            }

            return {
              _scrollbar: scrollbar,
              _track: track,
              _handle: handle
            };
          };

          function resetScrollbarDOM(isHorizontal) {
            var scrollbarVars = getScrollbarVars(isHorizontal);
            var scrollbar = scrollbarVars._scrollbar;
            var track = scrollbarVars._track;
            var handle = scrollbarVars._handle;

            if (_domExists && _initialized) {
              each([scrollbar, track, handle], function (i, elm) {
                removeClass(elm.removeAttr(LEXICON.s), _classNamesDynamicDestroy);
              });
            } else {
              remove(scrollbar || selectOrGenerateScrollbarDOM(isHorizontal)._scrollbar);
            }
          }

          var horizontalElements;
          var verticalElements;

          if (!destroy) {
            horizontalElements = selectOrGenerateScrollbarDOM(true);
            verticalElements = selectOrGenerateScrollbarDOM();

            _scrollbarHorizontalElement = horizontalElements._scrollbar;
            _scrollbarHorizontalTrackElement = horizontalElements._track;
            _scrollbarHorizontalHandleElement = horizontalElements._handle;
            _scrollbarVerticalElement = verticalElements._scrollbar;
            _scrollbarVerticalTrackElement = verticalElements._track;
            _scrollbarVerticalHandleElement = verticalElements._handle;

            if (!_domExists) {
              _paddingElement.after(_scrollbarVerticalElement);
              _paddingElement.after(_scrollbarHorizontalElement);
            }
          } else {
            resetScrollbarDOM(true);
            resetScrollbarDOM();
          }
        }

        /**
         * Initializes all scrollbar interactivity events. (track and handle dragging, clicking, scrolling)
         * @param isHorizontal True if the target scrollbar is the horizontal scrollbar, false if the target scrollbar is the vertical scrollbar.
         */
        function setupScrollbarEvents(isHorizontal) {
          var scrollbarVars = getScrollbarVars(isHorizontal);
          var scrollbarVarsInfo = scrollbarVars._info;
          var insideIFrame = _windowElementNative.top !== _windowElementNative;
          var xy = scrollbarVars._x_y;
          var XY = scrollbarVars._X_Y;
          var scroll = _strScroll + scrollbarVars._Left_Top;
          var strActive = 'active';
          var strSnapHandle = 'snapHandle';
          var strClickEvent = 'click';
          var scrollDurationFactor = 1;
          var increaseDecreaseScrollAmountKeyCodes = [16, 17]; //shift, ctrl
          var trackTimeout;
          var mouseDownScroll;
          var mouseDownOffset;
          var mouseDownInvertedScale;

          function getPointerPosition(event) {
            return _msieVersion && insideIFrame ? event['screen' + XY] : COMPATIBILITY.page(event)[xy]; //use screen coordinates in EDGE & IE because the page values are incorrect in frames.
          }

          function getPreparedScrollbarsOption(name) {
            return _currentPreparedOptions.scrollbars[name];
          }

          function increaseTrackScrollAmount() {
            scrollDurationFactor = 0.5;
          }

          function decreaseTrackScrollAmount() {
            scrollDurationFactor = 1;
          }

          function stopClickEventPropagation(event) {
            COMPATIBILITY.stpP(event);
          }

          function documentKeyDown(event) {
            if (inArray(event.keyCode, increaseDecreaseScrollAmountKeyCodes) > -1)
              increaseTrackScrollAmount();
          }

          function documentKeyUp(event) {
            if (inArray(event.keyCode, increaseDecreaseScrollAmountKeyCodes) > -1)
              decreaseTrackScrollAmount();
          }

          function onMouseTouchDownContinue(event) {
            var originalEvent = event.originalEvent || event;
            var isTouchEvent = originalEvent.touches !== undefined;
            return _sleeping || _destroyed || nativeOverlayScrollbarsAreActive() || !_scrollbarsDragScrollingCache || (isTouchEvent && !getPreparedScrollbarsOption('touchSupport')) ? false : COMPATIBILITY.mBtn(event) === 1 || isTouchEvent;
          }

          function documentDragMove(event) {
            if (onMouseTouchDownContinue(event)) {
              var trackLength = scrollbarVarsInfo._trackLength;
              var handleLength = scrollbarVarsInfo._handleLength;
              var scrollRange = scrollbarVarsInfo._maxScroll;
              var scrollRaw = (getPointerPosition(event) - mouseDownOffset) * mouseDownInvertedScale;
              var scrollDeltaPercent = scrollRaw / (trackLength - handleLength);
              var scrollDelta = (scrollRange * scrollDeltaPercent);
              scrollDelta = isFinite(scrollDelta) ? scrollDelta : 0;
              if (_isRTL && isHorizontal && !_rtlScrollBehavior.i)
                scrollDelta *= -1;

              _viewportElement[scroll](MATH.round(mouseDownScroll + scrollDelta));

              if (_scrollbarsHandlesDefineScrollPos)
                refreshScrollbarHandleOffset(isHorizontal, mouseDownScroll + scrollDelta);

              if (!_supportPassiveEvents)
                COMPATIBILITY.prvD(event);
            } else
              documentMouseTouchUp(event);
          }

          function documentMouseTouchUp(event) {
            event = event || event.originalEvent;

            setupResponsiveEventListener(_documentElement,
              [_strMouseTouchMoveEvent, _strMouseTouchUpEvent, _strKeyDownEvent, _strKeyUpEvent, _strSelectStartEvent],
              [documentDragMove, documentMouseTouchUp, documentKeyDown, documentKeyUp, documentOnSelectStart],
              true);
            COMPATIBILITY.rAF()(function () {
              setupResponsiveEventListener(_documentElement, strClickEvent, stopClickEventPropagation, true, {_capture: true});
            });


            if (_scrollbarsHandlesDefineScrollPos)
              refreshScrollbarHandleOffset(isHorizontal, true);

            _scrollbarsHandlesDefineScrollPos = false;
            removeClass(_bodyElement, _classNameDragging);
            removeClass(scrollbarVars._handle, strActive);
            removeClass(scrollbarVars._track, strActive);
            removeClass(scrollbarVars._scrollbar, strActive);

            mouseDownScroll = undefined;
            mouseDownOffset = undefined;
            mouseDownInvertedScale = 1;

            decreaseTrackScrollAmount();

            if (trackTimeout !== undefined) {
              _base.scrollStop();
              clearTimeout(trackTimeout);
              trackTimeout = undefined;
            }

            if (event) {
              var rect = _hostElementNative[LEXICON.bCR]();
              var mouseInsideHost = event.clientX >= rect.left && event.clientX <= rect.right && event.clientY >= rect.top && event.clientY <= rect.bottom;

              //if mouse is outside host element
              if (!mouseInsideHost)
                hostOnMouseLeave();

              if (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove)
                refreshScrollbarsAutoHide(false);
            }
          }

          function onHandleMouseTouchDown(event) {
            if (onMouseTouchDownContinue(event))
              onHandleMouseTouchDownAction(event);
          }

          function onHandleMouseTouchDownAction(event) {
            mouseDownScroll = _viewportElement[scroll]();
            mouseDownScroll = isNaN(mouseDownScroll) ? 0 : mouseDownScroll;
            if (_isRTL && isHorizontal && !_rtlScrollBehavior.n || !_isRTL)
              mouseDownScroll = mouseDownScroll < 0 ? 0 : mouseDownScroll;

            mouseDownInvertedScale = getHostElementInvertedScale()[xy];
            mouseDownOffset = getPointerPosition(event);

            _scrollbarsHandlesDefineScrollPos = !getPreparedScrollbarsOption(strSnapHandle);
            addClass(_bodyElement, _classNameDragging);
            addClass(scrollbarVars._handle, strActive);
            addClass(scrollbarVars._scrollbar, strActive);

            setupResponsiveEventListener(_documentElement,
              [_strMouseTouchMoveEvent, _strMouseTouchUpEvent, _strSelectStartEvent],
              [documentDragMove, documentMouseTouchUp, documentOnSelectStart]);
            COMPATIBILITY.rAF()(function () {
              setupResponsiveEventListener(_documentElement, strClickEvent, stopClickEventPropagation, false, {_capture: true});
            });


            if (_msieVersion || !_documentMixed)
              COMPATIBILITY.prvD(event);
            COMPATIBILITY.stpP(event);
          }

          function onTrackMouseTouchDown(event) {
            if (onMouseTouchDownContinue(event)) {
              var handleToViewportRatio = scrollbarVars._info._handleLength / Math.round(MATH.min(1, _viewportSize[scrollbarVars._w_h] / _contentScrollSizeCache[scrollbarVars._w_h]) * scrollbarVars._info._trackLength);
              var scrollDistance = MATH.round(_viewportSize[scrollbarVars._w_h] * handleToViewportRatio);
              var scrollBaseDuration = 270 * handleToViewportRatio;
              var scrollFirstIterationDelay = 400 * handleToViewportRatio;
              var trackOffset = scrollbarVars._track.offset()[scrollbarVars._left_top];
              var ctrlKey = event.ctrlKey;
              var instantScroll = event.shiftKey;
              var instantScrollTransition = instantScroll && ctrlKey;
              var isFirstIteration = true;
              var easing = 'linear';
              var decreaseScroll;
              var finishedCondition;
              var scrollActionFinsished = function (transition) {
                if (_scrollbarsHandlesDefineScrollPos)
                  refreshScrollbarHandleOffset(isHorizontal, transition);
              };
              var scrollActionInstantFinished = function () {
                scrollActionFinsished();
                onHandleMouseTouchDownAction(event);
              };
              var scrollAction = function () {
                if (!_destroyed) {
                  var mouseOffset = (mouseDownOffset - trackOffset) * mouseDownInvertedScale;
                  var handleOffset = scrollbarVarsInfo._handleOffset;
                  var trackLength = scrollbarVarsInfo._trackLength;
                  var handleLength = scrollbarVarsInfo._handleLength;
                  var scrollRange = scrollbarVarsInfo._maxScroll;
                  var currScroll = scrollbarVarsInfo._currentScroll;
                  var scrollDuration = scrollBaseDuration * scrollDurationFactor;
                  var timeoutDelay = isFirstIteration ? MATH.max(scrollFirstIterationDelay, scrollDuration) : scrollDuration;
                  var instantScrollPosition = scrollRange * ((mouseOffset - (handleLength / 2)) / (trackLength - handleLength)); // 100% * positionPercent
                  var rtlIsNormal = _isRTL && isHorizontal && ((!_rtlScrollBehavior.i && !_rtlScrollBehavior.n) || _normalizeRTLCache);
                  var decreaseScrollCondition = rtlIsNormal ? handleOffset < mouseOffset : handleOffset > mouseOffset;
                  var scrollObj = {};
                  var animationObj = {
                    easing: easing,
                    step: function (now) {
                      if (_scrollbarsHandlesDefineScrollPos) {
                        _viewportElement[scroll](now); //https://github.com/jquery/jquery/issues/4340
                        refreshScrollbarHandleOffset(isHorizontal, now);
                      }
                    }
                  };
                  instantScrollPosition = isFinite(instantScrollPosition) ? instantScrollPosition : 0;
                  instantScrollPosition = _isRTL && isHorizontal && !_rtlScrollBehavior.i ? (scrollRange - instantScrollPosition) : instantScrollPosition;

                  //_base.scrollStop();

                  if (instantScroll) {
                    _viewportElement[scroll](instantScrollPosition); //scroll instantly to new position
                    if (instantScrollTransition) {
                      //get the scroll position after instant scroll (in case CSS Snap Points are used) to get the correct snapped scroll position
                      //and the animation stops at the correct point
                      instantScrollPosition = _viewportElement[scroll]();
                      //scroll back to the position before instant scrolling so animation can be performed
                      _viewportElement[scroll](currScroll);

                      instantScrollPosition = rtlIsNormal && _rtlScrollBehavior.i ? (scrollRange - instantScrollPosition) : instantScrollPosition;
                      instantScrollPosition = rtlIsNormal && _rtlScrollBehavior.n ? -instantScrollPosition : instantScrollPosition;

                      scrollObj[xy] = instantScrollPosition;
                      _base.scroll(scrollObj, extendDeep(animationObj, {
                        duration: 130,
                        complete: scrollActionInstantFinished
                      }));
                    } else
                      scrollActionInstantFinished();
                  } else {
                    decreaseScroll = isFirstIteration ? decreaseScrollCondition : decreaseScroll;
                    finishedCondition = rtlIsNormal
                      ? (decreaseScroll ? handleOffset + handleLength >= mouseOffset : handleOffset <= mouseOffset)
                      : (decreaseScroll ? handleOffset <= mouseOffset : handleOffset + handleLength >= mouseOffset);

                    if (finishedCondition) {
                      clearTimeout(trackTimeout);
                      _base.scrollStop();
                      trackTimeout = undefined;
                      scrollActionFinsished(true);
                    } else {
                      trackTimeout = setTimeout(scrollAction, timeoutDelay);

                      scrollObj[xy] = (decreaseScroll ? '-=' : '+=') + scrollDistance;
                      _base.scroll(scrollObj, extendDeep(animationObj, {
                        duration: scrollDuration
                      }));
                    }
                    isFirstIteration = false;
                  }
                }
              };
              if (ctrlKey)
                increaseTrackScrollAmount();

              mouseDownInvertedScale = getHostElementInvertedScale()[xy];
              mouseDownOffset = COMPATIBILITY.page(event)[xy];

              _scrollbarsHandlesDefineScrollPos = !getPreparedScrollbarsOption(strSnapHandle);
              addClass(_bodyElement, _classNameDragging);
              addClass(scrollbarVars._track, strActive);
              addClass(scrollbarVars._scrollbar, strActive);

              setupResponsiveEventListener(_documentElement,
                [_strMouseTouchUpEvent, _strKeyDownEvent, _strKeyUpEvent, _strSelectStartEvent],
                [documentMouseTouchUp, documentKeyDown, documentKeyUp, documentOnSelectStart]);

              scrollAction();
              COMPATIBILITY.prvD(event);
              COMPATIBILITY.stpP(event);
            }
          }

          function onTrackMouseTouchEnter(event) {
            //make sure both scrollbars will stay visible if one scrollbar is hovered if autoHide is "scroll" or "move".
            _scrollbarsHandleHovered = true;
            if (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove)
              refreshScrollbarsAutoHide(true);
          }

          function onTrackMouseTouchLeave(event) {
            _scrollbarsHandleHovered = false;
            if (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove)
              refreshScrollbarsAutoHide(false);
          }

          function onScrollbarMouseTouchDown(event) {
            COMPATIBILITY.stpP(event);
          }

          addDestroyEventListener(scrollbarVars._handle,
            _strMouseTouchDownEvent,
            onHandleMouseTouchDown);
          addDestroyEventListener(scrollbarVars._track,
            [_strMouseTouchDownEvent, _strMouseEnter, _strMouseLeave],
            [onTrackMouseTouchDown, onTrackMouseTouchEnter, onTrackMouseTouchLeave]);
          addDestroyEventListener(scrollbarVars._scrollbar,
            _strMouseTouchDownEvent,
            onScrollbarMouseTouchDown);

          if (_supportTransition) {
            addDestroyEventListener(scrollbarVars._scrollbar, _strTransitionEndEvent, function (event) {
              if (event.target !== scrollbarVars._scrollbar[0])
                return;
              refreshScrollbarHandleLength(isHorizontal);
              refreshScrollbarHandleOffset(isHorizontal);
            });
          }
        }

        /**
         * Shows or hides the given scrollbar and applied a class name which indicates if the scrollbar is scrollable or not.
         * @param isHorizontal True if the horizontal scrollbar is the target, false if the vertical scrollbar is the target.
         * @param shallBeVisible True if the scrollbar shall be shown, false if hidden.
         * @param canScroll True if the scrollbar is scrollable, false otherwise.
         */
        function refreshScrollbarAppearance(isHorizontal, shallBeVisible, canScroll) {
          var scrollbarHiddenClassName = isHorizontal ? _classNameHostScrollbarHorizontalHidden : _classNameHostScrollbarVerticalHidden;
          var scrollbarElement = isHorizontal ? _scrollbarHorizontalElement : _scrollbarVerticalElement;

          addRemoveClass(_hostElement, scrollbarHiddenClassName, !shallBeVisible);
          addRemoveClass(scrollbarElement, _classNameScrollbarUnusable, !canScroll);
        }

        /**
         * Autoshows / autohides both scrollbars with.
         * @param shallBeVisible True if the scrollbars shall be autoshown (only the case if they are hidden by a autohide), false if the shall be auto hidden.
         * @param delayfree True if the scrollbars shall be hidden without a delay, false or undefined otherwise.
         */
        function refreshScrollbarsAutoHide(shallBeVisible, delayfree) {
          clearTimeout(_scrollbarsAutoHideTimeoutId);
          if (shallBeVisible) {
            //if(_hasOverflowCache.x && _hideOverflowCache.xs)
            removeClass(_scrollbarHorizontalElement, _classNameScrollbarAutoHidden);
            //if(_hasOverflowCache.y && _hideOverflowCache.ys)
            removeClass(_scrollbarVerticalElement, _classNameScrollbarAutoHidden);
          } else {
            var anyActive;
            var strActive = 'active';
            var hide = function () {
              if (!_scrollbarsHandleHovered && !_destroyed) {
                anyActive = _scrollbarHorizontalHandleElement.hasClass(strActive) || _scrollbarVerticalHandleElement.hasClass(strActive);
                if (!anyActive && (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove || _scrollbarsAutoHideLeave))
                  addClass(_scrollbarHorizontalElement, _classNameScrollbarAutoHidden);
                if (!anyActive && (_scrollbarsAutoHideScroll || _scrollbarsAutoHideMove || _scrollbarsAutoHideLeave))
                  addClass(_scrollbarVerticalElement, _classNameScrollbarAutoHidden);
              }
            };
            if (_scrollbarsAutoHideDelay > 0 && delayfree !== true)
              _scrollbarsAutoHideTimeoutId = setTimeout(hide, _scrollbarsAutoHideDelay);
            else
              hide();
          }
        }

        /**
         * Refreshes the handle length of the given scrollbar.
         * @param isHorizontal True if the horizontal scrollbar handle shall be refreshed, false if the vertical one shall be refreshed.
         */
        function refreshScrollbarHandleLength(isHorizontal) {
          var handleCSS = {};
          var scrollbarVars = getScrollbarVars(isHorizontal);
          var scrollbarVarsInfo = scrollbarVars._info;
          var digit = 1000000;
          //get and apply intended handle length
          var handleRatio = MATH.min(1, _viewportSize[scrollbarVars._w_h] / _contentScrollSizeCache[scrollbarVars._w_h]);
          handleCSS[scrollbarVars._width_height] = (MATH.floor(handleRatio * 100 * digit) / digit) + '%'; //the last * digit / digit is for flooring to the 4th digit

          if (!nativeOverlayScrollbarsAreActive())
            scrollbarVars._handle.css(handleCSS);

          //measure the handle length to respect min & max length
          scrollbarVarsInfo._handleLength = scrollbarVars._handle[0]['offset' + scrollbarVars._Width_Height];
          scrollbarVarsInfo._handleLengthRatio = handleRatio;
        }

        /**
         * Refreshes the handle offset of the given scrollbar.
         * @param isHorizontal True if the horizontal scrollbar handle shall be refreshed, false if the vertical one shall be refreshed.
         * @param scrollOrTransition The scroll position of the given scrollbar axis to which the handle shall be moved or a boolean which indicates whether a transition shall be applied. If undefined or boolean if the current scroll-offset is taken. (if isHorizontal ? scrollLeft : scrollTop)
         */
        function refreshScrollbarHandleOffset(isHorizontal, scrollOrTransition) {
          var transition = type(scrollOrTransition) == TYPES.b;
          var transitionDuration = 250;
          var isRTLisHorizontal = _isRTL && isHorizontal;
          var scrollbarVars = getScrollbarVars(isHorizontal);
          var scrollbarVarsInfo = scrollbarVars._info;
          var strTranslateBrace = 'translate(';
          var strTransform = VENDORS._cssProperty('transform');
          var strTransition = VENDORS._cssProperty('transition');
          var nativeScroll = isHorizontal ? _viewportElement[_strScrollLeft]() : _viewportElement[_strScrollTop]();
          var currentScroll = scrollOrTransition === undefined || transition ? nativeScroll : scrollOrTransition;

          //measure the handle length to respect min & max length
          var handleLength = scrollbarVarsInfo._handleLength;
          var trackLength = scrollbarVars._track[0]['offset' + scrollbarVars._Width_Height];
          var handleTrackDiff = trackLength - handleLength;
          var handleCSS = {};
          var transformOffset;
          var translateValue;

          //DONT use the variable '_contentScrollSizeCache[scrollbarVars._w_h]' instead of '_viewportElement[0]['scroll' + scrollbarVars._Width_Height]'
          // because its a bit behind during the small delay when content size updates
          //(delay = mutationObserverContentLag, if its 0 then this var could be used)
          var maxScroll = (_viewportElementNative[_strScroll + scrollbarVars._Width_Height] - _viewportElementNative['client' + scrollbarVars._Width_Height]) * (_rtlScrollBehavior.n && isRTLisHorizontal ? -1 : 1); //* -1 if rtl scroll max is negative
          var getScrollRatio = function (base) {
            return isNaN(base / maxScroll) ? 0 : MATH.max(0, MATH.min(1, base / maxScroll));
          };
          var getHandleOffset = function (scrollRatio) {
            var offset = handleTrackDiff * scrollRatio;
            offset = isNaN(offset) ? 0 : offset;
            offset = (isRTLisHorizontal && !_rtlScrollBehavior.i) ? (trackLength - handleLength - offset) : offset;
            offset = MATH.max(0, offset);
            return offset;
          };
          var scrollRatio = getScrollRatio(nativeScroll);
          var unsnappedScrollRatio = getScrollRatio(currentScroll);
          var handleOffset = getHandleOffset(unsnappedScrollRatio);
          var snappedHandleOffset = getHandleOffset(scrollRatio);

          scrollbarVarsInfo._maxScroll = maxScroll;
          scrollbarVarsInfo._currentScroll = nativeScroll;
          scrollbarVarsInfo._currentScrollRatio = scrollRatio;

          if (_supportTransform) {
            transformOffset = isRTLisHorizontal ? -(trackLength - handleLength - handleOffset) : handleOffset; //in px
            //transformOffset = (transformOffset / trackLength * 100) * (trackLength / handleLength); //in %
            translateValue = isHorizontal ? strTranslateBrace + transformOffset + 'px, 0)' : strTranslateBrace + '0, ' + transformOffset + 'px)';

            handleCSS[strTransform] = translateValue;

            //apply or clear up transition
            if (_supportTransition)
              handleCSS[strTransition] = transition && MATH.abs(handleOffset - scrollbarVarsInfo._handleOffset) > 1 ? getCSSTransitionString(scrollbarVars._handle) + ', ' + (strTransform + _strSpace + transitionDuration + 'ms') : _strEmpty;
          } else
            handleCSS[scrollbarVars._left_top] = handleOffset;


          //only apply css if offset has changed and overflow exists.
          if (!nativeOverlayScrollbarsAreActive()) {
            scrollbarVars._handle.css(handleCSS);

            //clear up transition
            if (_supportTransform && _supportTransition && transition) {
              scrollbarVars._handle.one(_strTransitionEndEvent, function () {
                if (!_destroyed)
                  scrollbarVars._handle.css(strTransition, _strEmpty);
              });
            }
          }

          scrollbarVarsInfo._handleOffset = handleOffset;
          scrollbarVarsInfo._snappedHandleOffset = snappedHandleOffset;
          scrollbarVarsInfo._trackLength = trackLength;
        }

        /**
         * Refreshes the interactivity of the given scrollbar element.
         * @param isTrack True if the track element is the target, false if the handle element is the target.
         * @param value True for interactivity false for no interactivity.
         */
        function refreshScrollbarsInteractive(isTrack, value) {
          var action = value ? 'removeClass' : 'addClass';
          var element1 = isTrack ? _scrollbarHorizontalTrackElement : _scrollbarHorizontalHandleElement;
          var element2 = isTrack ? _scrollbarVerticalTrackElement : _scrollbarVerticalHandleElement;
          var className = isTrack ? _classNameScrollbarTrackOff : _classNameScrollbarHandleOff;

          element1[action](className);
          element2[action](className);
        }

        /**
         * Returns a object which is used for fast access for specific variables.
         * @param isHorizontal True if the horizontal scrollbar vars shall be accessed, false if the vertical scrollbar vars shall be accessed.
         * @returns {{wh: string, WH: string, lt: string, _wh: string, _lt: string, t: *, h: *, c: {}, s: *}}
         */
        function getScrollbarVars(isHorizontal) {
          return {
            _width_height: isHorizontal ? _strWidth : _strHeight,
            _Width_Height: isHorizontal ? 'Width' : 'Height',
            _left_top: isHorizontal ? _strLeft : _strTop,
            _Left_Top: isHorizontal ? 'Left' : 'Top',
            _x_y: isHorizontal ? _strX : _strY,
            _X_Y: isHorizontal ? 'X' : 'Y',
            _w_h: isHorizontal ? 'w' : 'h',
            _l_t: isHorizontal ? 'l' : 't',
            _track: isHorizontal ? _scrollbarHorizontalTrackElement : _scrollbarVerticalTrackElement,
            _handle: isHorizontal ? _scrollbarHorizontalHandleElement : _scrollbarVerticalHandleElement,
            _scrollbar: isHorizontal ? _scrollbarHorizontalElement : _scrollbarVerticalElement,
            _info: isHorizontal ? _scrollHorizontalInfo : _scrollVerticalInfo
          };
        }


        //==== Scrollbar Corner ====//

        /**
         * Builds or destroys the scrollbar corner DOM element.
         * @param destroy Indicates whether the DOM shall be build or destroyed.
         */
        function setupScrollbarCornerDOM(destroy) {
          _scrollbarCornerElement = _scrollbarCornerElement || selectOrGenerateDivByClass(_classNameScrollbarCorner, true);

          if (!destroy) {
            if (!_domExists) {
              _hostElement.append(_scrollbarCornerElement);
            }
          } else {
            if (_domExists && _initialized) {
              removeClass(_scrollbarCornerElement.removeAttr(LEXICON.s), _classNamesDynamicDestroy);
            } else {
              remove(_scrollbarCornerElement);
            }
          }
        }

        /**
         * Initializes all scrollbar corner interactivity events.
         */
        function setupScrollbarCornerEvents() {
          var insideIFrame = _windowElementNative.top !== _windowElementNative;
          var mouseDownPosition = {};
          var mouseDownSize = {};
          var mouseDownInvertedScale = {};
          var reconnectMutationObserver;

          function documentDragMove(event) {
            if (onMouseTouchDownContinue(event)) {
              var pageOffset = getCoordinates(event);
              var hostElementCSS = {};
              if (_resizeHorizontal || _resizeBoth)
                hostElementCSS[_strWidth] = (mouseDownSize.w + (pageOffset.x - mouseDownPosition.x) * mouseDownInvertedScale.x);
              if (_resizeVertical || _resizeBoth)
                hostElementCSS[_strHeight] = (mouseDownSize.h + (pageOffset.y - mouseDownPosition.y) * mouseDownInvertedScale.y);
              _hostElement.css(hostElementCSS);
              COMPATIBILITY.stpP(event);
            } else {
              documentMouseTouchUp(event);
            }
          }

          function documentMouseTouchUp(event) {
            var eventIsTrusted = event !== undefined;

            setupResponsiveEventListener(_documentElement,
              [_strSelectStartEvent, _strMouseTouchMoveEvent, _strMouseTouchUpEvent],
              [documentOnSelectStart, documentDragMove, documentMouseTouchUp],
              true);

            removeClass(_bodyElement, _classNameDragging);
            if (_scrollbarCornerElement.releaseCapture)
              _scrollbarCornerElement.releaseCapture();

            if (eventIsTrusted) {
              if (reconnectMutationObserver)
                connectMutationObservers();
              _base.update(_strAuto);
            }
            reconnectMutationObserver = false;
          }

          function onMouseTouchDownContinue(event) {
            var originalEvent = event.originalEvent || event;
            var isTouchEvent = originalEvent.touches !== undefined;
            return _sleeping || _destroyed ? false : COMPATIBILITY.mBtn(event) === 1 || isTouchEvent;
          }

          function getCoordinates(event) {
            return _msieVersion && insideIFrame ? {x: event.screenX, y: event.screenY} : COMPATIBILITY.page(event);
          }

          addDestroyEventListener(_scrollbarCornerElement, _strMouseTouchDownEvent, function (event) {
            if (onMouseTouchDownContinue(event) && !_resizeNone) {
              if (_mutationObserversConnected) {
                reconnectMutationObserver = true;
                disconnectMutationObservers();
              }

              mouseDownPosition = getCoordinates(event);

              mouseDownSize.w = _hostElementNative[LEXICON.oW] - (!_isBorderBox ? _paddingX : 0);
              mouseDownSize.h = _hostElementNative[LEXICON.oH] - (!_isBorderBox ? _paddingY : 0);
              mouseDownInvertedScale = getHostElementInvertedScale();

              setupResponsiveEventListener(_documentElement,
                [_strSelectStartEvent, _strMouseTouchMoveEvent, _strMouseTouchUpEvent],
                [documentOnSelectStart, documentDragMove, documentMouseTouchUp]);

              addClass(_bodyElement, _classNameDragging);
              if (_scrollbarCornerElement.setCapture)
                _scrollbarCornerElement.setCapture();

              COMPATIBILITY.prvD(event);
              COMPATIBILITY.stpP(event);
            }
          });
        }


        //==== Utils ====//

        /**
         * Calls the callback with the given name. The Context of this callback is always _base (this).
         * @param name The name of the target which shall be called.
         * @param args The args with which the callback shall be called.
         * @param dependent Boolean which decides whether the callback shall be fired, undefined is like a "true" value.
         */
        function dispatchCallback(name, args, dependent) {
          if (dependent === false)
            return;
          if (_initialized) {
            var callback = _currentPreparedOptions.callbacks[name];
            var extensionOnName = name;
            var ext;

            if (extensionOnName.substr(0, 2) === 'on')
              extensionOnName = extensionOnName.substr(2, 1).toLowerCase() + extensionOnName.substr(3);

            if (type(callback) == TYPES.f)
              callback.call(_base, args);

            each(_extensions, function () {
              ext = this;
              if (type(ext.on) == TYPES.f)
                ext.on(extensionOnName, args);
            });
          } else if (!_destroyed)
            _callbacksInitQeueue.push({n: name, a: args});
        }

        /**
         * Sets the "top, right, bottom, left" properties, with a given prefix, of the given css object.
         * @param targetCSSObject The css object to which the values shall be applied.
         * @param prefix The prefix of the "top, right, bottom, left" css properties. (example: 'padding-' is a valid prefix)
         * @param values A array of values which shall be applied to the "top, right, bottom, left" -properties. The array order is [top, right, bottom, left].
         * If this argument is undefined the value '' (empty string) will be applied to all properties.
         */
        function setTopRightBottomLeft(targetCSSObject, prefix, values) {
          prefix = prefix || _strEmpty;
          values = values || [_strEmpty, _strEmpty, _strEmpty, _strEmpty];

          targetCSSObject[prefix + _strTop] = values[0];
          targetCSSObject[prefix + _strRight] = values[1];
          targetCSSObject[prefix + _strBottom] = values[2];
          targetCSSObject[prefix + _strLeft] = values[3];
        }

        /**
         * Gets the "top, right, bottom, left" CSS properties of the CSS property with the given prefix from the host element.
         * @param prefix The prefix of the "top, right, bottom, left" css properties. (example: 'padding-' is a valid prefix)
         * @param suffix The suffix of the "top, right, bottom, left" css properties. (example: 'border-' is a valid prefix with '-width' is a valid suffix)
         * @param zeroX True if the x axis shall be 0.
         * @param zeroY True if the y axis shall be 0.
         * @returns {{}} The object which contains the numbers of the read CSS properties.
         */
        function getTopRightBottomLeftHost(prefix, suffix, zeroX, zeroY) {
          suffix = suffix || _strEmpty;
          prefix = prefix || _strEmpty;
          return {
            t: zeroY ? 0 : parseToZeroOrNumber(_hostElement.css(prefix + _strTop + suffix)),
            r: zeroX ? 0 : parseToZeroOrNumber(_hostElement.css(prefix + _strRight + suffix)),
            b: zeroY ? 0 : parseToZeroOrNumber(_hostElement.css(prefix + _strBottom + suffix)),
            l: zeroX ? 0 : parseToZeroOrNumber(_hostElement.css(prefix + _strLeft + suffix))
          };
        }

        /**
         * Returns the computed CSS transition string from the given element.
         * @param element The element from which the transition string shall be returned.
         * @returns {string} The CSS transition string from the given element.
         */
        function getCSSTransitionString(element) {
          var transitionStr = VENDORS._cssProperty('transition');
          var assembledValue = element.css(transitionStr);
          if (assembledValue)
            return assembledValue;
          var regExpString = '\\s*(' + '([^,(]+(\\(.+?\\))?)+' + ')[\\s,]*';
          var regExpMain = new RegExp(regExpString);
          var regExpValidate = new RegExp('^(' + regExpString + ')+$');
          var properties = 'property duration timing-function delay'.split(' ');
          var result = [];
          var strResult;
          var valueArray;
          var i = 0;
          var j;
          var splitCssStyleByComma = function (str) {
            strResult = [];
            if (!str.match(regExpValidate))
              return str;
            while (str.match(regExpMain)) {
              strResult.push(RegExp.$1);
              str = str.replace(regExpMain, _strEmpty);
            }

            return strResult;
          };
          for (; i < properties[LEXICON.l]; i++) {
            valueArray = splitCssStyleByComma(element.css(transitionStr + '-' + properties[i]));
            for (j = 0; j < valueArray[LEXICON.l]; j++)
              result[j] = (result[j] ? result[j] + _strSpace : _strEmpty) + valueArray[j];
          }
          return result.join(', ');
        }

        /**
         * Generates a Regular Expression which matches with a string which starts with 'os-host'.
         * @param {boolean} withCurrClassNameOption The Regular Expression also matches if the string is the current ClassName option (multiple values splitted by space possible).
         * @param {boolean} withOldClassNameOption The Regular Expression also matches if the string is the old ClassName option (multiple values splitted by space possible).
         */
        function createHostClassNameRegExp(withCurrClassNameOption, withOldClassNameOption) {
          var i;
          var split;
          var appendix;
          var appendClasses = function (classes, condition) {
            appendix = '';
            if (condition && typeof classes == TYPES.s) {
              split = classes.split(_strSpace);
              for (i = 0; i < split[LEXICON.l]; i++)
                appendix += '|' + split[i] + '$';
              // split[i].replace(/[.*+?^${}()|[\]\\]/g, '\\$&') for escaping regex characters
            }
            return appendix;
          };

          return new RegExp(
            '(^' + _classNameHostElement + '([-_].+|)$)' +
            appendClasses(_classNameCache, withCurrClassNameOption) +
            appendClasses(_oldClassName, withOldClassNameOption), 'g');
        }

        /**
         * Calculates the host-elements inverted scale. (invertedScale = 1 / scale)
         * @returns {{x: number, y: number}} The scale of the host-element.
         */
        function getHostElementInvertedScale() {
          var rect = _paddingElementNative[LEXICON.bCR]();
          return {
            x: _supportTransform ? 1 / (MATH.round(rect.width) / _paddingElementNative[LEXICON.oW]) || 1 : 1,
            y: _supportTransform ? 1 / (MATH.round(rect.height) / _paddingElementNative[LEXICON.oH]) || 1 : 1
          };
        }

        /**
         * Checks whether the given object is a HTMLElement.
         * @param o The object which shall be checked.
         * @returns {boolean} True the given object is a HTMLElement, false otherwise.
         */
        function isHTMLElement(o) {
          var strOwnerDocument = 'ownerDocument';
          var strHTMLElement = 'HTMLElement';
          var wnd = o && o[strOwnerDocument] ? (o[strOwnerDocument].parentWindow || window) : window;
          return (
            typeof wnd[strHTMLElement] == TYPES.o ? o instanceof wnd[strHTMLElement] : //DOM2
              o && typeof o == TYPES.o && o !== null && o.nodeType === 1 && typeof o.nodeName == TYPES.s
          );
        }

        /**
         * Compares 2 arrays and returns the differences between them as a array.
         * @param a1 The first array which shall be compared.
         * @param a2 The second array which shall be compared.
         * @returns {Array} The differences between the two arrays.
         */
        function getArrayDifferences(a1, a2) {
          var a = [];
          var diff = [];
          var i;
          var k;
          for (i = 0; i < a1.length; i++)
            a[a1[i]] = true;
          for (i = 0; i < a2.length; i++) {
            if (a[a2[i]])
              delete a[a2[i]];
            else
              a[a2[i]] = true;
          }
          for (k in a)
            diff.push(k);
          return diff;
        }

        /**
         * Returns Zero or the number to which the value can be parsed.
         * @param value The value which shall be parsed.
         * @param toFloat Indicates whether the number shall be parsed to a float.
         */
        function parseToZeroOrNumber(value, toFloat) {
          var num = toFloat ? parseFloat(value) : parseInt(value, 10);
          return isNaN(num) ? 0 : num;
        }

        /**
         * Gets several information of the textarea and returns them as a object or undefined if the browser doesn't support it.
         * @returns {{cursorRow: Number, cursorCol, rows: Number, cols: number, wRow: number, pos: number, max : number}} or undefined if not supported.
         */
        function getTextareaInfo() {
          //read needed values
          var textareaCursorPosition = _targetElementNative.selectionStart;
          if (textareaCursorPosition === undefined)
            return;

          var textareaValue = _targetElement.val();
          var textareaLength = textareaValue[LEXICON.l];
          var textareaRowSplit = textareaValue.split('\n');
          var textareaLastRow = textareaRowSplit[LEXICON.l];
          var textareaCurrentCursorRowSplit = textareaValue.substr(0, textareaCursorPosition).split('\n');
          var widestRow = 0;
          var textareaLastCol = 0;
          var cursorRow = textareaCurrentCursorRowSplit[LEXICON.l];
          var cursorCol = textareaCurrentCursorRowSplit[textareaCurrentCursorRowSplit[LEXICON.l] - 1][LEXICON.l];
          var rowCols;
          var i;

          //get widest Row and the last column of the textarea
          for (i = 0; i < textareaRowSplit[LEXICON.l]; i++) {
            rowCols = textareaRowSplit[i][LEXICON.l];
            if (rowCols > textareaLastCol) {
              widestRow = i + 1;
              textareaLastCol = rowCols;
            }
          }

          return {
            _cursorRow: cursorRow, //cursorRow
            _cursorColumn: cursorCol, //cursorCol
            _rows: textareaLastRow, //rows
            _columns: textareaLastCol, //cols
            _widestRow: widestRow, //wRow
            _cursorPosition: textareaCursorPosition, //pos
            _cursorMax: textareaLength //max
          };
        }

        /**
         * Determines whether native overlay scrollbars are active.
         * @returns {boolean} True if native overlay scrollbars are active, false otherwise.
         */
        function nativeOverlayScrollbarsAreActive() {
          return (_ignoreOverlayScrollbarHidingCache && (_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y));
        }

        /**
         * Gets the element which is used to measure the content size.
         * @returns {*} TextareaCover if target element is textarea else the ContentElement.
         */
        function getContentMeasureElement() {
          return _isTextarea ? _textareaCoverElement[0] : _contentElementNative;
        }

        /**
         * Generates a string which represents a HTML div with the given classes or attributes.
         * @param classesOrAttrs The class of the div as string or a object which represents the attributes of the div. (The class attribute can also be written as "className".)
         * @param content The content of the div as string.
         * @returns {string} The concated string which represents a HTML div and its content.
         */
        function generateDiv(classesOrAttrs, content) {
          return '<div ' + (classesOrAttrs ? type(classesOrAttrs) == TYPES.s ?
            'class="' + classesOrAttrs + '"' :
            (function () {
              var key;
              var attrs = _strEmpty;
              if (FRAMEWORK.isPlainObject(classesOrAttrs)) {
                for (key in classesOrAttrs)
                  attrs += (key === 'c' ? 'class' : key) + '="' + classesOrAttrs[key] + '" ';
              }
              return attrs;
            })() :
            _strEmpty) +
            '>' +
            (content || _strEmpty) +
            '</div>';
        }

        /**
         * Selects or generates a div with the given class attribute.
         * @param className The class names (divided by spaces) of the div which shall be selected or generated.
         * @param selectParentOrOnlyChildren The parent element from which of the element shall be selected. (if undefined or boolean its hostElement)
         * If its a boolean it decides whether only the children of the host element shall be selected.
         * @returns {*} The generated or selected element.
         */
        function selectOrGenerateDivByClass(className, selectParentOrOnlyChildren) {
          var onlyChildren = type(selectParentOrOnlyChildren) == TYPES.b;
          var selectParent = onlyChildren ? _hostElement : (selectParentOrOnlyChildren || _hostElement);

          return (_domExists && !selectParent[LEXICON.l])
            ? null
            : _domExists
              ? selectParent[onlyChildren ? 'children' : 'find'](_strDot + className.replace(/\s/g, _strDot)).eq(0)
              : FRAMEWORK(generateDiv(className))
        }

        /**
         * Gets the value of the given property from the given object.
         * @param obj The object from which the property value shall be got.
         * @param path The property of which the value shall be got.
         * @returns {*} Returns the value of the searched property or undefined of the property wasn't found.
         */
        function getObjectPropVal(obj, path) {
          var splits = path.split(_strDot);
          var i = 0;
          var val;
          for (; i < splits.length; i++) {
            if (!obj[LEXICON.hOP](splits[i]))
              return;
            val = obj[splits[i]];
            if (i < splits.length && type(val) == TYPES.o)
              obj = val;
          }
          return val;
        }

        /**
         * Sets the value of the given property from the given object.
         * @param obj The object from which the property value shall be set.
         * @param path The property of which the value shall be set.
         * @param val The value of the property which shall be set.
         */
        function setObjectPropVal(obj, path, val) {
          var splits = path.split(_strDot);
          var splitsLength = splits.length;
          var i = 0;
          var extendObj = {};
          var extendObjRoot = extendObj;
          for (; i < splitsLength; i++)
            extendObj = extendObj[splits[i]] = i + 1 < splitsLength ? {} : val;
          FRAMEWORK.extend(obj, extendObjRoot, true);
        }

        /**
         * Runs a action for each selector inside the updateOnLoad option.
         * @param {Function} action The action for each updateOnLoad selector, the arguments the function takes is the index and the value (the selector).
         */
        function eachUpdateOnLoad(action) {
          var updateOnLoad = _currentPreparedOptions.updateOnLoad;
          updateOnLoad = type(updateOnLoad) == TYPES.s ? updateOnLoad.split(_strSpace) : updateOnLoad;

          if (COMPATIBILITY.isA(updateOnLoad) && !_destroyed) {
            each(updateOnLoad, action);
          }
        }


        //==== Utils Cache ====//

        /**
         * Compares two values or objects and returns true if they aren't equal.
         * @param current The first value or object which shall be compared.
         * @param cache The second value or object which shall be compared.
         * @param force If true the returned value is always true.
         * @returns {boolean} True if both values or objects aren't equal or force is true, false otherwise.
         */
        function checkCache(current, cache, force) {
          if (force)
            return force;
          if (type(current) == TYPES.o && type(cache) == TYPES.o) {
            for (var prop in current) {
              if (prop !== 'c') {
                if (current[LEXICON.hOP](prop) && cache[LEXICON.hOP](prop)) {
                  if (checkCache(current[prop], cache[prop]))
                    return true;
                } else {
                  return true;
                }
              }
            }
          } else {
            return current !== cache;
          }
          return false;
        }


        //==== Shortcuts ====//

        /**
         * jQuery extend method shortcut with a appended "true" as first argument.
         */
        function extendDeep() {
          return FRAMEWORK.extend.apply(this, [true].concat([].slice.call(arguments)));
        }

        /**
         * jQuery addClass method shortcut.
         */
        function addClass(el, classes) {
          return _frameworkProto.addClass.call(el, classes);
        }

        /**
         * jQuery removeClass method shortcut.
         */
        function removeClass(el, classes) {
          return _frameworkProto.removeClass.call(el, classes);
        }

        /**
         * Adds or removes the given classes dependent on the boolean value. True for add, false for remove.
         */
        function addRemoveClass(el, classes, doAdd) {
          return doAdd ? addClass(el, classes) : removeClass(el, classes);
        }

        /**
         * jQuery remove method shortcut.
         */
        function remove(el) {
          return _frameworkProto.remove.call(el);
        }

        /**
         * Finds the first child element with the given selector of the given element.
         * @param el The root element from which the selector shall be valid.
         * @param selector The selector of the searched element.
         * @returns {*} The first element which is a child of the given element and matches the givens selector.
         */
        function findFirst(el, selector) {
          return _frameworkProto.find.call(el, selector).eq(0);
        }


        //==== API ====//

        /**
         * Puts the instance to sleep. It wont respond to any changes in the DOM and won't update. Scrollbar Interactivity is also disabled as well as the resize handle.
         * This behavior can be reset by calling the update method.
         */
        _base.sleep = function () {
          _sleeping = true;
        };

        /**
         * Updates the plugin and DOM to the current options.
         * This method should only be called if a update is 100% required.
         * @param force True if every property shall be updated and the cache shall be ignored.
         * !INTERNAL USAGE! : force can be a string "auto", "sync" or "zoom" too
         * if "auto" then before a real update the content size and host element attributes gets checked, and if they changed only then the update method will be called.
         * if "sync" then the async update process (MutationObserver or UpdateLoop) gets synchronized and a corresponding update takes place if one was needed due to pending changes.
         * if "zoom" then a update takes place where it's assumed that content and host size changed
         * @returns {boolean|undefined}
         * If force is "sync" then a boolean is returned which indicates whether a update was needed due to pending changes.
         * If force is "auto" then a boolean is returned whether a update was needed due to attribute or size changes.
         * undefined otherwise.
         */
        _base.update = function (force) {
          if (_destroyed)
            return;

          var attrsChanged;
          var contentSizeC;
          var isString = type(force) == TYPES.s;
          var doUpdateAuto;
          var mutHost;
          var mutContent;

          if (isString) {
            if (force === _strAuto) {
              attrsChanged = meaningfulAttrsChanged();
              contentSizeC = updateAutoContentSizeChanged();
              doUpdateAuto = attrsChanged || contentSizeC;
              if (doUpdateAuto) {
                update({
                  _contentSizeChanged: contentSizeC,
                  _changedOptions: _initialized ? undefined : _currentPreparedOptions
                });
              }
            } else if (force === _strSync) {
              if (_mutationObserversConnected) {
                mutHost = _mutationObserverHostCallback(_mutationObserverHost.takeRecords());
                mutContent = _mutationObserverContentCallback(_mutationObserverContent.takeRecords());
              } else {
                mutHost = _base.update(_strAuto);
              }
            } else if (force === 'zoom') {
              update({
                _hostSizeChanged: true,
                _contentSizeChanged: true
              });
            }
          } else {
            force = _sleeping || force;
            _sleeping = false;
            if (!_base.update(_strSync) || force)
              update({_force: force});
          }

          updateElementsOnLoad();

          return doUpdateAuto || mutHost || mutContent;
        };

        /**
         Gets or sets the current options. The update method will be called automatically if new options were set.
         * @param newOptions If new options are given, then the new options will be set, if new options aren't given (undefined or a not a plain object) then the current options will be returned.
         * @param value If new options is a property path string, then this value will be used to set the option to which the property path string leads.
         * @returns {*}
         */
        _base.options = function (newOptions, value) {
          var option = {};
          var changedOps;

          //return current options if newOptions are undefined or empty
          if (FRAMEWORK.isEmptyObject(newOptions) || !FRAMEWORK.isPlainObject(newOptions)) {
            if (type(newOptions) == TYPES.s) {
              if (arguments.length > 1) {
                setObjectPropVal(option, newOptions, value);
                changedOps = setOptions(option);
              } else
                return getObjectPropVal(_currentOptions, newOptions);
            } else
              return _currentOptions;
          } else {
            changedOps = setOptions(newOptions);
          }

          if (!FRAMEWORK.isEmptyObject(changedOps)) {
            update({_changedOptions: changedOps});
          }
        };

        /**
         * Restore the DOM, disconnects all observers, remove all resize observers and put the instance to sleep.
         */
        _base.destroy = function () {
          if (_destroyed)
            return;

          //remove this instance from auto update loop
          autoUpdateLoop.remove(_base);

          //disconnect all mutation observers
          disconnectMutationObservers();

          //remove all resize observers
          setupResizeObserver(_sizeObserverElement);
          setupResizeObserver(_sizeAutoObserverElement);

          //remove all extensions
          for (var extName in _extensions)
            _base.removeExt(extName);

          //remove all 'destroy' events
          while (_destroyEvents[LEXICON.l] > 0)
            _destroyEvents.pop()();

          //remove all events from host element
          setupHostMouseTouchEvents(true);

          //remove all helper / detection elements
          if (_contentGlueElement)
            remove(_contentGlueElement);
          if (_contentArrangeElement)
            remove(_contentArrangeElement);
          if (_sizeAutoObserverAdded)
            remove(_sizeAutoObserverElement);

          //remove all generated DOM
          setupScrollbarsDOM(true);
          setupScrollbarCornerDOM(true);
          setupStructureDOM(true);

          //remove all generated image load events
          for (var i = 0; i < _updateOnLoadElms[LEXICON.l]; i++)
            FRAMEWORK(_updateOnLoadElms[i]).off(_updateOnLoadEventName, updateOnLoadCallback);
          _updateOnLoadElms = undefined;

          _destroyed = true;
          _sleeping = true;

          //remove this instance from the instances list
          INSTANCES(pluginTargetElement, 0);
          dispatchCallback('onDestroyed');

          //remove all properties and methods
          //for (var property in _base)
          //    delete _base[property];
          //_base = undefined;
        };

        /**
         * Scrolls to a given position or element.
         * @param coordinates
         * 1. Can be "coordinates" which looks like:
         *    { x : ?, y : ? } OR          Object with x and y properties
         *    { left : ?, top : ? } OR     Object with left and top properties
         *    { l : ?, t : ? } OR          Object with l and t properties
         *    [ ?, ? ] OR                  Array where the first two element are the coordinates (first is x, second is y)
         *    ?                            A single value which stays for both axis
         *    A value can be a number, a string or a calculation.
         *
         *    Operators:
         *    [NONE]  The current scroll will be overwritten by the value.
         *    '+='    The value will be added to the current scroll offset
         *    '-='    The value will be subtracted from the current scroll offset
         *    '*='    The current scroll wil be multiplicated by the value.
         *    '/='    The current scroll wil be divided by the value.
         *
         *    Units:
         *    [NONE]  The value is the final scroll amount.                   final = (value * 1)
         *    'px'    Same as none
         *    '%'     The value is dependent on the current scroll value.     final = ((currentScrollValue / 100) * value)
         *    'vw'    The value is multiplicated by the viewport width.       final = (value * viewportWidth)
         *    'vh'    The value is multiplicated by the viewport height.      final = (value * viewportHeight)
         *
         *    example final values:
         *    200, '200px', '50%', '1vw', '1vh', '+=200', '/=1vw', '*=2px', '-=5vh', '+=33%', '+= 50% - 2px', '-= 1vw - 50%'
         *
         * 2. Can be a HTML or jQuery element:
         *    The final scroll offset is the offset (without margin) of the given HTML / jQuery element.
         *
         * 3. Can be a object with a HTML or jQuery element with additional settings:
         *    {
         *      el : [HTMLElement, jQuery element],             MUST be specified, else this object isn't valid.
         *      scroll : [string, array, object],               Default value is 'always'.
         *      block : [string, array, object],                Default value is 'begin'.
         *      margin : [number, boolean, array, object]       Default value is false.
         *    }
         *
         *    Possible scroll settings are:
         *    'always'      Scrolls always.
         *    'ifneeded'    Scrolls only if the element isnt fully in view.
         *    'never'       Scrolls never.
         *
         *    Possible block settings are:
         *    'begin'   Both axis shall be docked to the "begin" edge. - The element will be docked to the top and left edge of the viewport.
         *    'end'     Both axis shall be docked to the "end" edge. - The element will be docked to the bottom and right edge of the viewport. (If direction is RTL to the bottom and left edge.)
         *    'center'  Both axis shall be docked to "center". - The element will be centered in the viewport.
         *    'nearest' The element will be docked to the nearest edge(s).
         *
         *    Possible margin settings are: -- The actual margin of the element wont be affect, this option affects only the final scroll offset.
         *    [BOOLEAN]                                         If true the css margin of the element will be used, if false no margin will be used.
         *    [NUMBER]                                          The margin will be used for all edges.
         *
         * @param duration The duration of the scroll animation, OR a jQuery animation configuration object.
         * @param easing The animation easing.
         * @param complete The animation complete callback.
         * @returns {{
         *   position: {x: number, y: number},
         *   ratio: {x: number, y: number},
         *   max: {x: number, y: number},
         *   handleOffset: {x: number, y: number},
         *   handleLength: {x: number, y: number},
         *   handleLengthRatio: {x: number, y: number}, t
         *   rackLength: {x: number, y: number},
         *   isRTL: boolean,
         *   isRTLNormalized: boolean
         *  }}
         */
        _base.scroll = function (coordinates, duration, easing, complete) {
          if (arguments.length === 0 || coordinates === undefined) {
            var infoX = _scrollHorizontalInfo;
            var infoY = _scrollVerticalInfo;
            var normalizeInvert = _normalizeRTLCache && _isRTL && _rtlScrollBehavior.i;
            var normalizeNegate = _normalizeRTLCache && _isRTL && _rtlScrollBehavior.n;
            var scrollX = infoX._currentScroll;
            var scrollXRatio = infoX._currentScrollRatio;
            var maxScrollX = infoX._maxScroll;
            scrollXRatio = normalizeInvert ? 1 - scrollXRatio : scrollXRatio;
            scrollX = normalizeInvert ? maxScrollX - scrollX : scrollX;
            scrollX *= normalizeNegate ? -1 : 1;
            maxScrollX *= normalizeNegate ? -1 : 1;

            return {
              position: {
                x: scrollX,
                y: infoY._currentScroll
              },
              ratio: {
                x: scrollXRatio,
                y: infoY._currentScrollRatio
              },
              max: {
                x: maxScrollX,
                y: infoY._maxScroll
              },
              handleOffset: {
                x: infoX._handleOffset,
                y: infoY._handleOffset
              },
              handleLength: {
                x: infoX._handleLength,
                y: infoY._handleLength
              },
              handleLengthRatio: {
                x: infoX._handleLengthRatio,
                y: infoY._handleLengthRatio
              },
              trackLength: {
                x: infoX._trackLength,
                y: infoY._trackLength
              },
              snappedHandleOffset: {
                x: infoX._snappedHandleOffset,
                y: infoY._snappedHandleOffset
              },
              isRTL: _isRTL,
              isRTLNormalized: _normalizeRTLCache
            };
          }

          _base.update(_strSync);

          var normalizeRTL = _normalizeRTLCache;
          var coordinatesXAxisProps = [_strX, _strLeft, 'l'];
          var coordinatesYAxisProps = [_strY, _strTop, 't'];
          var coordinatesOperators = ['+=', '-=', '*=', '/='];
          var durationIsObject = type(duration) == TYPES.o;
          var completeCallback = durationIsObject ? duration.complete : complete;
          var i;
          var finalScroll = {};
          var specialEasing = {};
          var doScrollLeft;
          var doScrollTop;
          var animationOptions;
          var strEnd = 'end';
          var strBegin = 'begin';
          var strCenter = 'center';
          var strNearest = 'nearest';
          var strAlways = 'always';
          var strNever = 'never';
          var strIfNeeded = 'ifneeded';
          var strLength = LEXICON.l;
          var settingsAxis;
          var settingsScroll;
          var settingsBlock;
          var settingsMargin;
          var finalElement;
          var elementObjSettingsAxisValues = [_strX, _strY, 'xy', 'yx'];
          var elementObjSettingsBlockValues = [strBegin, strEnd, strCenter, strNearest];
          var elementObjSettingsScrollValues = [strAlways, strNever, strIfNeeded];
          var coordinatesIsElementObj = coordinates[LEXICON.hOP]('el');
          var possibleElement = coordinatesIsElementObj ? coordinates.el : coordinates;
          var possibleElementIsJQuery = possibleElement instanceof FRAMEWORK || JQUERY ? possibleElement instanceof JQUERY : false;
          var possibleElementIsHTMLElement = possibleElementIsJQuery ? false : isHTMLElement(possibleElement);
          var updateScrollbarInfos = function () {
            if (doScrollLeft)
              refreshScrollbarHandleOffset(true);
            if (doScrollTop)
              refreshScrollbarHandleOffset(false);
          };
          var proxyCompleteCallback = type(completeCallback) != TYPES.f ? undefined : function () {
            updateScrollbarInfos();
            completeCallback();
          };

          function checkSettingsStringValue(currValue, allowedValues) {
            for (i = 0; i < allowedValues[strLength]; i++) {
              if (currValue === allowedValues[i])
                return true;
            }
            return false;
          }

          function getRawScroll(isX, coordinates) {
            var coordinateProps = isX ? coordinatesXAxisProps : coordinatesYAxisProps;
            coordinates = type(coordinates) == TYPES.s || type(coordinates) == TYPES.n ? [coordinates, coordinates] : coordinates;

            if (COMPATIBILITY.isA(coordinates))
              return isX ? coordinates[0] : coordinates[1];
            else if (type(coordinates) == TYPES.o) {
              //decides RTL normalization "hack" with .n
              //normalizeRTL = type(coordinates.n) == TYPES.b ? coordinates.n : normalizeRTL;
              for (i = 0; i < coordinateProps[strLength]; i++)
                if (coordinateProps[i] in coordinates)
                  return coordinates[coordinateProps[i]];
            }
          }

          function getFinalScroll(isX, rawScroll) {
            var isString = type(rawScroll) == TYPES.s;
            var operator;
            var amount;
            var scrollInfo = isX ? _scrollHorizontalInfo : _scrollVerticalInfo;
            var currScroll = scrollInfo._currentScroll;
            var maxScroll = scrollInfo._maxScroll;
            var mult = ' * ';
            var finalValue;
            var isRTLisX = _isRTL && isX;
            var normalizeShortcuts = isRTLisX && _rtlScrollBehavior.n && !normalizeRTL;
            var strReplace = 'replace';
            var evalFunc = eval;
            var possibleOperator;
            if (isString) {
              //check operator
              if (rawScroll[strLength] > 2) {
                possibleOperator = rawScroll.substr(0, 2);
                if (inArray(possibleOperator, coordinatesOperators) > -1)
                  operator = possibleOperator;
              }

              //calculate units and shortcuts
              rawScroll = operator ? rawScroll.substr(2) : rawScroll;
              rawScroll = rawScroll
                [strReplace](/min/g, 0) //'min' = 0%
                [strReplace](/</g, 0)   //'<'   = 0%
                [strReplace](/max/g, (normalizeShortcuts ? '-' : _strEmpty) + _strHundredPercent)    //'max' = 100%
                [strReplace](/>/g, (normalizeShortcuts ? '-' : _strEmpty) + _strHundredPercent)      //'>'   = 100%
                [strReplace](/px/g, _strEmpty)
                [strReplace](/%/g, mult + (maxScroll * (isRTLisX && _rtlScrollBehavior.n ? -1 : 1) / 100.0))
                [strReplace](/vw/g, mult + _viewportSize.w)
                [strReplace](/vh/g, mult + _viewportSize.h);
              amount = parseToZeroOrNumber(isNaN(rawScroll) ? parseToZeroOrNumber(evalFunc(rawScroll), true).toFixed() : rawScroll);
            } else {
              amount = rawScroll;
            }

            if (amount !== undefined && !isNaN(amount) && type(amount) == TYPES.n) {
              var normalizeIsRTLisX = normalizeRTL && isRTLisX;
              var operatorCurrScroll = currScroll * (normalizeIsRTLisX && _rtlScrollBehavior.n ? -1 : 1);
              var invert = normalizeIsRTLisX && _rtlScrollBehavior.i;
              var negate = normalizeIsRTLisX && _rtlScrollBehavior.n;
              operatorCurrScroll = invert ? (maxScroll - operatorCurrScroll) : operatorCurrScroll;
              switch (operator) {
                case '+=':
                  finalValue = operatorCurrScroll + amount;
                  break;
                case '-=':
                  finalValue = operatorCurrScroll - amount;
                  break;
                case '*=':
                  finalValue = operatorCurrScroll * amount;
                  break;
                case '/=':
                  finalValue = operatorCurrScroll / amount;
                  break;
                default:
                  finalValue = amount;
                  break;
              }
              finalValue = invert ? maxScroll - finalValue : finalValue;
              finalValue *= negate ? -1 : 1;
              finalValue = isRTLisX && _rtlScrollBehavior.n ? MATH.min(0, MATH.max(maxScroll, finalValue)) : MATH.max(0, MATH.min(maxScroll, finalValue));
            }
            return finalValue === currScroll ? undefined : finalValue;
          }

          function getPerAxisValue(value, valueInternalType, defaultValue, allowedValues) {
            var resultDefault = [defaultValue, defaultValue];
            var valueType = type(value);
            var valueArrLength;
            var valueArrItem;

            //value can be [ string, or array of two strings ]
            if (valueType == valueInternalType) {
              value = [value, value];
            } else if (valueType == TYPES.a) {
              valueArrLength = value[strLength];
              if (valueArrLength > 2 || valueArrLength < 1)
                value = resultDefault;
              else {
                if (valueArrLength === 1)
                  value[1] = defaultValue;
                for (i = 0; i < valueArrLength; i++) {
                  valueArrItem = value[i];
                  if (type(valueArrItem) != valueInternalType || !checkSettingsStringValue(valueArrItem, allowedValues)) {
                    value = resultDefault;
                    break;
                  }
                }
              }
            } else if (valueType == TYPES.o)
              value = [value[_strX] || defaultValue, value[_strY] || defaultValue];
            else
              value = resultDefault;
            return {x: value[0], y: value[1]};
          }

          function generateMargin(marginTopRightBottomLeftArray) {
            var result = [];
            var currValue;
            var currValueType;
            var valueDirections = [_strTop, _strRight, _strBottom, _strLeft];
            for (i = 0; i < marginTopRightBottomLeftArray[strLength]; i++) {
              if (i === valueDirections[strLength])
                break;
              currValue = marginTopRightBottomLeftArray[i];
              currValueType = type(currValue);
              if (currValueType == TYPES.b)
                result.push(currValue ? parseToZeroOrNumber(finalElement.css(_strMarginMinus + valueDirections[i])) : 0);
              else
                result.push(currValueType == TYPES.n ? currValue : 0);
            }
            return result;
          }

          if (possibleElementIsJQuery || possibleElementIsHTMLElement) {
            //get settings
            var margin = coordinatesIsElementObj ? coordinates.margin : 0;
            var axis = coordinatesIsElementObj ? coordinates.axis : 0;
            var scroll = coordinatesIsElementObj ? coordinates.scroll : 0;
            var block = coordinatesIsElementObj ? coordinates.block : 0;
            var marginDefault = [0, 0, 0, 0];
            var marginType = type(margin);
            var marginLength;
            finalElement = possibleElementIsJQuery ? possibleElement : FRAMEWORK(possibleElement);

            if (finalElement[strLength] > 0) {
              //margin can be [ boolean, number, array of 2, array of 4, object ]
              if (marginType == TYPES.n || marginType == TYPES.b)
                margin = generateMargin([margin, margin, margin, margin]);
              else if (marginType == TYPES.a) {
                marginLength = margin[strLength];
                if (marginLength === 2)
                  margin = generateMargin([margin[0], margin[1], margin[0], margin[1]]);
                else if (marginLength >= 4)
                  margin = generateMargin(margin);
                else
                  margin = marginDefault;
              } else if (marginType == TYPES.o)
                margin = generateMargin([margin[_strTop], margin[_strRight], margin[_strBottom], margin[_strLeft]]);
              else
                margin = marginDefault;

              //block = type(block) === TYPES.b ? block ? [ strNearest, strBegin ] : [ strNearest, strEnd ] : block;
              settingsAxis = checkSettingsStringValue(axis, elementObjSettingsAxisValues) ? axis : 'xy';
              settingsScroll = getPerAxisValue(scroll, TYPES.s, strAlways, elementObjSettingsScrollValues);
              settingsBlock = getPerAxisValue(block, TYPES.s, strBegin, elementObjSettingsBlockValues);
              settingsMargin = margin;

              var viewportScroll = {
                l: _scrollHorizontalInfo._currentScroll,
                t: _scrollVerticalInfo._currentScroll
              };
              // use padding element instead of viewport element because padding element has never padding, margin or position applied.
              var viewportOffset = _paddingElement.offset();

              //get coordinates
              var elementOffset = finalElement.offset();
              var doNotScroll = {
                x: settingsScroll.x == strNever || settingsAxis == _strY,
                y: settingsScroll.y == strNever || settingsAxis == _strX
              };
              elementOffset[_strTop] -= settingsMargin[0];
              elementOffset[_strLeft] -= settingsMargin[3];
              var elementScrollCoordinates = {
                x: MATH.round(elementOffset[_strLeft] - viewportOffset[_strLeft] + viewportScroll.l),
                y: MATH.round(elementOffset[_strTop] - viewportOffset[_strTop] + viewportScroll.t)
              };
              if (_isRTL) {
                if (!_rtlScrollBehavior.n && !_rtlScrollBehavior.i)
                  elementScrollCoordinates.x = MATH.round(viewportOffset[_strLeft] - elementOffset[_strLeft] + viewportScroll.l);
                if (_rtlScrollBehavior.n && normalizeRTL)
                  elementScrollCoordinates.x *= -1;
                if (_rtlScrollBehavior.i && normalizeRTL)
                  elementScrollCoordinates.x = MATH.round(viewportOffset[_strLeft] - elementOffset[_strLeft] + (_scrollHorizontalInfo._maxScroll - viewportScroll.l));
              }

              //measuring is required
              if (settingsBlock.x != strBegin || settingsBlock.y != strBegin || settingsScroll.x == strIfNeeded || settingsScroll.y == strIfNeeded || _isRTL) {
                var measuringElm = finalElement[0];
                var rawElementSize = _supportTransform ? measuringElm[LEXICON.bCR]() : {
                  width: measuringElm[LEXICON.oW],
                  height: measuringElm[LEXICON.oH]
                };
                var elementSize = {
                  w: rawElementSize[_strWidth] + settingsMargin[3] + settingsMargin[1],
                  h: rawElementSize[_strHeight] + settingsMargin[0] + settingsMargin[2]
                };
                var finalizeBlock = function (isX) {
                  var vars = getScrollbarVars(isX);
                  var wh = vars._w_h;
                  var lt = vars._left_top;
                  var xy = vars._x_y;
                  var blockIsEnd = settingsBlock[xy] == (isX ? _isRTL ? strBegin : strEnd : strEnd);
                  var blockIsCenter = settingsBlock[xy] == strCenter;
                  var blockIsNearest = settingsBlock[xy] == strNearest;
                  var scrollNever = settingsScroll[xy] == strNever;
                  var scrollIfNeeded = settingsScroll[xy] == strIfNeeded;
                  var vpSize = _viewportSize[wh];
                  var vpOffset = viewportOffset[lt];
                  var elSize = elementSize[wh];
                  var elOffset = elementOffset[lt];
                  var divide = blockIsCenter ? 2 : 1;
                  var elementCenterOffset = elOffset + (elSize / 2);
                  var viewportCenterOffset = vpOffset + (vpSize / 2);
                  var isInView =
                    elSize <= vpSize
                    && elOffset >= vpOffset
                    && elOffset + elSize <= vpOffset + vpSize;

                  if (scrollNever)
                    doNotScroll[xy] = true;
                  else if (!doNotScroll[xy]) {
                    if (blockIsNearest || scrollIfNeeded) {
                      doNotScroll[xy] = scrollIfNeeded ? isInView : false;
                      blockIsEnd = elSize < vpSize ? elementCenterOffset > viewportCenterOffset : elementCenterOffset < viewportCenterOffset;
                    }
                    elementScrollCoordinates[xy] -= blockIsEnd || blockIsCenter ? ((vpSize / divide) - (elSize / divide)) * (isX && _isRTL && normalizeRTL ? -1 : 1) : 0;
                  }
                };
                finalizeBlock(true);
                finalizeBlock(false);
              }

              if (doNotScroll.y)
                delete elementScrollCoordinates.y;
              if (doNotScroll.x)
                delete elementScrollCoordinates.x;

              coordinates = elementScrollCoordinates;
            }
          }

          finalScroll[_strScrollLeft] = getFinalScroll(true, getRawScroll(true, coordinates));
          finalScroll[_strScrollTop] = getFinalScroll(false, getRawScroll(false, coordinates));
          doScrollLeft = finalScroll[_strScrollLeft] !== undefined;
          doScrollTop = finalScroll[_strScrollTop] !== undefined;

          if ((doScrollLeft || doScrollTop) && (duration > 0 || durationIsObject)) {
            if (durationIsObject) {
              duration.complete = proxyCompleteCallback;
              _viewportElement.animate(finalScroll, duration);
            } else {
              animationOptions = {
                duration: duration,
                complete: proxyCompleteCallback
              };
              if (COMPATIBILITY.isA(easing) || FRAMEWORK.isPlainObject(easing)) {
                specialEasing[_strScrollLeft] = easing[0] || easing.x;
                specialEasing[_strScrollTop] = easing[1] || easing.y;
                animationOptions.specialEasing = specialEasing;
              } else {
                animationOptions.easing = easing;
              }
              _viewportElement.animate(finalScroll, animationOptions);
            }
          } else {
            if (doScrollLeft)
              _viewportElement[_strScrollLeft](finalScroll[_strScrollLeft]);
            if (doScrollTop)
              _viewportElement[_strScrollTop](finalScroll[_strScrollTop]);
            updateScrollbarInfos();
          }
        };

        /**
         * Stops all scroll animations.
         * @returns {*} The current OverlayScrollbars instance (for chaining).
         */
        _base.scrollStop = function (param1, param2, param3) {
          _viewportElement.stop(param1, param2, param3);
          return _base;
        };

        /**
         * Returns all relevant elements.
         * @param elementName The name of the element which shall be returned.
         * @returns {{target: *, host: *, padding: *, viewport: *, content: *, scrollbarHorizontal: {scrollbar: *, track: *, handle: *}, scrollbarVertical: {scrollbar: *, track: *, handle: *}, scrollbarCorner: *} | *}
         */
        _base.getElements = function (elementName) {
          var obj = {
            target: _targetElementNative,
            host: _hostElementNative,
            padding: _paddingElementNative,
            viewport: _viewportElementNative,
            content: _contentElementNative,
            scrollbarHorizontal: {
              scrollbar: _scrollbarHorizontalElement[0],
              track: _scrollbarHorizontalTrackElement[0],
              handle: _scrollbarHorizontalHandleElement[0]
            },
            scrollbarVertical: {
              scrollbar: _scrollbarVerticalElement[0],
              track: _scrollbarVerticalTrackElement[0],
              handle: _scrollbarVerticalHandleElement[0]
            },
            scrollbarCorner: _scrollbarCornerElement[0]
          };
          return type(elementName) == TYPES.s ? getObjectPropVal(obj, elementName) : obj;
        };

        /**
         * Returns a object which describes the current state of this instance.
         * @param stateProperty A specific property from the state object which shall be returned.
         * @returns {{widthAuto, heightAuto, overflowAmount, hideOverflow, hasOverflow, contentScrollSize, viewportSize, hostSize, autoUpdate} | *}
         */
        _base.getState = function (stateProperty) {
          function prepare(obj) {
            if (!FRAMEWORK.isPlainObject(obj))
              return obj;
            var extended = extendDeep({}, obj);
            var changePropertyName = function (from, to) {
              if (extended[LEXICON.hOP](from)) {
                extended[to] = extended[from];
                delete extended[from];
              }
            };
            changePropertyName('w', _strWidth); //change w to width
            changePropertyName('h', _strHeight); //change h to height
            delete extended.c; //delete c (the 'changed' prop)
            return extended;
          };
          var obj = {
            destroyed: !!prepare(_destroyed),
            sleeping: !!prepare(_sleeping),
            autoUpdate: prepare(!_mutationObserversConnected),
            widthAuto: prepare(_widthAutoCache),
            heightAuto: prepare(_heightAutoCache),
            padding: prepare(_cssPaddingCache),
            overflowAmount: prepare(_overflowAmountCache),
            hideOverflow: prepare(_hideOverflowCache),
            hasOverflow: prepare(_hasOverflowCache),
            contentScrollSize: prepare(_contentScrollSizeCache),
            viewportSize: prepare(_viewportSize),
            hostSize: prepare(_hostSizeCache),
            documentMixed: prepare(_documentMixed)
          };
          return type(stateProperty) == TYPES.s ? getObjectPropVal(obj, stateProperty) : obj;
        };

        /**
         * Gets all or specific extension instance.
         * @param extName The name of the extension from which the instance shall be got.
         * @returns {{}} The instance of the extension with the given name or undefined if the instance couldn't be found.
         */
        _base.ext = function (extName) {
          var result;
          var privateMethods = _extensionsPrivateMethods.split(' ');
          var i = 0;
          if (type(extName) == TYPES.s) {
            if (_extensions[LEXICON.hOP](extName)) {
              result = extendDeep({}, _extensions[extName]);
              for (; i < privateMethods.length; i++)
                delete result[privateMethods[i]];
            }
          } else {
            result = {};
            for (i in _extensions)
              result[i] = extendDeep({}, _base.ext(i));
          }
          return result;
        };

        /**
         * Adds a extension to this instance.
         * @param extName The name of the extension which shall be added.
         * @param extensionOptions The extension options which shall be used.
         * @returns {{}} The instance of the added extension or undefined if the extension couldn't be added properly.
         */
        _base.addExt = function (extName, extensionOptions) {
          var registeredExtensionObj = _plugin.extension(extName);
          var instance;
          var instanceAdded;
          var instanceContract;
          var contractResult;
          var contractFulfilled = true;
          if (registeredExtensionObj) {
            if (!_extensions[LEXICON.hOP](extName)) {
              instance = registeredExtensionObj.extensionFactory.call(_base,
                extendDeep({}, registeredExtensionObj.defaultOptions),
                FRAMEWORK,
                COMPATIBILITY);

              if (instance) {
                instanceContract = instance.contract;
                if (type(instanceContract) == TYPES.f) {
                  contractResult = instanceContract(window);
                  contractFulfilled = type(contractResult) == TYPES.b ? contractResult : contractFulfilled;
                }
                if (contractFulfilled) {
                  _extensions[extName] = instance;
                  instanceAdded = instance.added;
                  if (type(instanceAdded) == TYPES.f)
                    instanceAdded(extensionOptions);

                  return _base.ext(extName);
                }
              }
            } else
              return _base.ext(extName);
          } else
            console.warn("A extension with the name \"" + extName + "\" isn't registered.");
        };

        /**
         * Removes a extension from this instance.
         * @param extName The name of the extension which shall be removed.
         * @returns {boolean} True if the extension was removed, false otherwise e.g. if the extension wasn't added before.
         */
        _base.removeExt = function (extName) {
          var instance = _extensions[extName];
          var instanceRemoved;
          if (instance) {
            delete _extensions[extName];

            instanceRemoved = instance.removed;
            if (type(instanceRemoved) == TYPES.f)
              instanceRemoved();

            return true;
          }
          return false;
        };

        /**
         * Constructs the plugin.
         * @param targetElement The element to which the plugin shall be applied.
         * @param options The initial options of the plugin.
         * @param extensions The extension(s) which shall be added right after the initialization.
         * @returns {boolean} True if the plugin was successfully initialized, false otherwise.
         */
        function construct(targetElement, options, extensions) {
          _defaultOptions = globals.defaultOptions;
          _nativeScrollbarStyling = globals.nativeScrollbarStyling;
          _nativeScrollbarSize = extendDeep({}, globals.nativeScrollbarSize);
          _nativeScrollbarIsOverlaid = extendDeep({}, globals.nativeScrollbarIsOverlaid);
          _overlayScrollbarDummySize = extendDeep({}, globals.overlayScrollbarDummySize);
          _rtlScrollBehavior = extendDeep({}, globals.rtlScrollBehavior);

          //parse & set options but don't update
          setOptions(extendDeep({}, _defaultOptions, options));

          _cssCalc = globals.cssCalc;
          _msieVersion = globals.msie;
          _autoUpdateRecommended = globals.autoUpdateRecommended;
          _supportTransition = globals.supportTransition;
          _supportTransform = globals.supportTransform;
          _supportPassiveEvents = globals.supportPassiveEvents;
          _supportResizeObserver = globals.supportResizeObserver;
          _supportMutationObserver = globals.supportMutationObserver;
          _restrictedMeasuring = globals.restrictedMeasuring;
          _documentElement = FRAMEWORK(targetElement.ownerDocument);
          _documentElementNative = _documentElement[0];
          _windowElement = FRAMEWORK(_documentElementNative.defaultView || _documentElementNative.parentWindow);
          _windowElementNative = _windowElement[0];
          _htmlElement = findFirst(_documentElement, 'html');
          _bodyElement = findFirst(_htmlElement, 'body');
          _targetElement = FRAMEWORK(targetElement);
          _targetElementNative = _targetElement[0];
          _isTextarea = _targetElement.is('textarea');
          _isBody = _targetElement.is('body');
          _documentMixed = _documentElementNative !== document;

          /* On a div Element The if checks only whether:
                     * - the targetElement has the class "os-host"
                     * - the targetElement has a a child with the class "os-padding"
                     *
                     * If that's the case, its assumed the DOM has already the following structure:
                     * (The ".os-host" element is the targetElement)
                     *
                     *  <div class="os-host">
                     *      <div class="os-resize-observer-host"></div>
                     *      <div class="os-padding">
                     *          <div class="os-viewport">
                     *              <div class="os-content"></div>
                     *          </div>
                     *      </div>
                     *      <div class="os-scrollbar os-scrollbar-horizontal ">
                     *          <div class="os-scrollbar-track">
                     *              <div class="os-scrollbar-handle"></div>
                     *          </div>
                     *      </div>
                     *      <div class="os-scrollbar os-scrollbar-vertical">
                     *          <div class="os-scrollbar-track">
                     *              <div class="os-scrollbar-handle"></div>
                     *          </div>
                     *      </div>
                     *      <div class="os-scrollbar-corner"></div>
                     *  </div>
                     *
                     * =====================================================================================
                     *
                     * On a Textarea Element The if checks only whether:
                     * - the targetElement has the class "os-textarea"
                     * - the targetElement is inside a element with the class "os-content"
                     *
                     * If that's the case, its assumed the DOM has already the following structure:
                     * (The ".os-textarea" (textarea) element is the targetElement)
                     *
                     *  <div class="os-host-textarea">
                     *      <div class="os-resize-observer-host"></div>
                     *      <div class="os-padding os-text-inherit">
                     *          <div class="os-viewport os-text-inherit">
                     *              <div class="os-content os-text-inherit">
                     *                  <div class="os-textarea-cover"></div>
                     *                  <textarea class="os-textarea os-text-inherit"></textarea>
                     *              </div>
                     *          </div>
                     *      </div>
                     *      <div class="os-scrollbar os-scrollbar-horizontal ">
                     *          <div class="os-scrollbar-track">
                     *              <div class="os-scrollbar-handle"></div>
                     *          </div>
                     *      </div>
                     *      <div class="os-scrollbar os-scrollbar-vertical">
                     *          <div class="os-scrollbar-track">
                     *              <div class="os-scrollbar-handle"></div>
                     *          </div>
                     *      </div>
                     *      <div class="os-scrollbar-corner"></div>
                     *  </div>
                     */
          _domExists = _isTextarea
            ? _targetElement.hasClass(_classNameTextareaElement) && _targetElement.parent().hasClass(_classNameContentElement)
            : _targetElement.hasClass(_classNameHostElement) && _targetElement.children(_strDot + _classNamePaddingElement)[LEXICON.l];

          var initBodyScroll;
          var bodyMouseTouchDownListener;

          //check if the plugin hasn't to be initialized
          if (_nativeScrollbarIsOverlaid.x && _nativeScrollbarIsOverlaid.y && !_currentPreparedOptions.nativeScrollbarsOverlaid.initialize) {
            dispatchCallback('onInitializationWithdrawn');
            if (_domExists) {
              setupStructureDOM(true);
              setupScrollbarsDOM(true);
              setupScrollbarCornerDOM(true);
            }

            _destroyed = true;
            _sleeping = true;

            return _base;
          }

          if (_isBody) {
            initBodyScroll = {};
            initBodyScroll.l = MATH.max(_targetElement[_strScrollLeft](), _htmlElement[_strScrollLeft](), _windowElement[_strScrollLeft]());
            initBodyScroll.t = MATH.max(_targetElement[_strScrollTop](), _htmlElement[_strScrollTop](), _windowElement[_strScrollTop]());

            bodyMouseTouchDownListener = function () {
              _viewportElement.removeAttr(LEXICON.ti);
              setupResponsiveEventListener(_viewportElement, _strMouseTouchDownEvent, bodyMouseTouchDownListener, true, true);
            }
          }

          //build OverlayScrollbars DOM
          setupStructureDOM();
          setupScrollbarsDOM();
          setupScrollbarCornerDOM();

          //create OverlayScrollbars events
          setupStructureEvents();
          setupScrollbarEvents(true);
          setupScrollbarEvents(false);
          setupScrollbarCornerEvents();

          //create mutation observers
          createMutationObservers();

          //build resize observer for the host element
          setupResizeObserver(_sizeObserverElement, hostOnResized);

          if (_isBody) {
            //apply the body scroll to handle it right in the update method
            _viewportElement[_strScrollLeft](initBodyScroll.l)[_strScrollTop](initBodyScroll.t);

            //set the focus on the viewport element so you dont have to click on the page to use keyboard keys (up / down / space) for scrolling
            if (document.activeElement == targetElement && _viewportElementNative.focus) {
              //set a tabindex to make the viewportElement focusable
              _viewportElement.attr(LEXICON.ti, '-1');
              _viewportElementNative.focus();

              /* the tabindex has to be removed due to;
                             * If you set the tabindex attribute on an <div>, then its child content cannot be scrolled with the arrow keys unless you set tabindex on the content, too
                             * https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex
                             */
              setupResponsiveEventListener(_viewportElement, _strMouseTouchDownEvent, bodyMouseTouchDownListener, false, true);
            }
          }

          //update for the first time & initialize cache
          _base.update(_strAuto);

          //the plugin is initialized now!
          _initialized = true;
          dispatchCallback('onInitialized');

          //call all callbacks which would fire before the initialized was complete
          each(_callbacksInitQeueue, function (index, value) {
            dispatchCallback(value.n, value.a);
          });
          _callbacksInitQeueue = [];

          //add extensions
          if (type(extensions) == TYPES.s)
            extensions = [extensions];
          if (COMPATIBILITY.isA(extensions))
            each(extensions, function (index, value) {
              _base.addExt(value);
            });
          else if (FRAMEWORK.isPlainObject(extensions))
            each(extensions, function (key, value) {
              _base.addExt(key, value);
            });

          //add the transition class for transitions AFTER the first update & AFTER the applied extensions (for preventing unwanted transitions)
          setTimeout(function () {
            if (_supportTransition && !_destroyed)
              addClass(_hostElement, _classNameHostTransition);
          }, 333);

          return _base;
        }

        if (_plugin.valid(construct(pluginTargetElement, options, extensions))) {
          INSTANCES(pluginTargetElement, _base);
        }

        return _base;
      }

      /**
       * Initializes a new OverlayScrollbarsInstance object or changes options if already initialized or returns the current instance.
       * @param pluginTargetElements The elements to which the Plugin shall be initialized.
       * @param options The custom options with which the plugin shall be initialized.
       * @param extensions The extension(s) which shall be added right after initialization.
       * @returns {*}
       */
      _plugin = window[PLUGINNAME] = function (pluginTargetElements, options, extensions) {
        if (arguments[LEXICON.l] === 0)
          return this;

        var arr = [];
        var optsIsPlainObj = FRAMEWORK.isPlainObject(options);
        var inst;
        var result;

        //pluginTargetElements is null or undefined
        if (!pluginTargetElements)
          return optsIsPlainObj || !options ? result : arr;

        /*
                   pluginTargetElements will be converted to:
                   1. A jQueryElement Array
                   2. A HTMLElement Array
                   3. A Array with a single HTML Element
                   so pluginTargetElements is always a array.
                */
        pluginTargetElements = pluginTargetElements[LEXICON.l] != undefined ? pluginTargetElements : [pluginTargetElements[0] || pluginTargetElements];
        initOverlayScrollbarsStatics();

        if (pluginTargetElements[LEXICON.l] > 0) {
          if (optsIsPlainObj) {
            FRAMEWORK.each(pluginTargetElements, function (i, v) {
              inst = v;
              if (inst !== undefined)
                arr.push(OverlayScrollbarsInstance(inst, options, extensions, _pluginsGlobals, _pluginsAutoUpdateLoop));
            });
          } else {
            FRAMEWORK.each(pluginTargetElements, function (i, v) {
              inst = INSTANCES(v);
              if ((options === '!' && _plugin.valid(inst)) || (COMPATIBILITY.type(options) == TYPES.f && options(v, inst)))
                arr.push(inst);
              else if (options === undefined)
                arr.push(inst);
            });
          }
          result = arr[LEXICON.l] === 1 ? arr[0] : arr;
        }
        return result;
      };

      /**
       * Returns a object which contains global information about the plugin and each instance of it.
       * The returned object is just a copy, that means that changes to the returned object won't have any effect to the original object.
       */
      _plugin.globals = function () {
        initOverlayScrollbarsStatics();
        var globals = FRAMEWORK.extend(true, {}, _pluginsGlobals);
        delete globals['msie'];
        return globals;
      };

      /**
       * Gets or Sets the default options for each new plugin initialization.
       * @param newDefaultOptions The object with which the default options shall be extended.
       */
      _plugin.defaultOptions = function (newDefaultOptions) {
        initOverlayScrollbarsStatics();
        var currDefaultOptions = _pluginsGlobals.defaultOptions;
        if (newDefaultOptions === undefined)
          return FRAMEWORK.extend(true, {}, currDefaultOptions);

        //set the new default options
        _pluginsGlobals.defaultOptions = FRAMEWORK.extend(true, {}, currDefaultOptions, _pluginsOptions._validate(newDefaultOptions, _pluginsOptions._template, true, currDefaultOptions)._default);
      };

      /**
       * Checks whether the passed instance is a non-destroyed OverlayScrollbars instance.
       * @param osInstance The potential OverlayScrollbars instance which shall be checked.
       * @returns {boolean} True if the passed value is a non-destroyed OverlayScrollbars instance, false otherwise.
       */
      _plugin.valid = function (osInstance) {
        return osInstance instanceof _plugin && !osInstance.getState().destroyed;
      };

      /**
       * Registers, Unregisters or returns a extension.
       * Register: Pass the name and the extension. (defaultOptions is optional)
       * Unregister: Pass the name and anything except a function as extension parameter.
       * Get extension: Pass the name of the extension which shall be got.
       * Get all extensions: Pass no arguments.
       * @param extensionName The name of the extension which shall be registered, unregistered or returned.
       * @param extension A function which generates the instance of the extension or anything other to remove a already registered extension.
       * @param defaultOptions The default options which shall be used for the registered extension.
       */
      _plugin.extension = function (extensionName, extension, defaultOptions) {
        var extNameTypeString = COMPATIBILITY.type(extensionName) == TYPES.s;
        var argLen = arguments[LEXICON.l];
        var i = 0;
        if (argLen < 1 || !extNameTypeString) {
          //return a copy of all extension objects
          return FRAMEWORK.extend(true, {length: _pluginsExtensions[LEXICON.l]}, _pluginsExtensions);
        } else if (extNameTypeString) {
          if (COMPATIBILITY.type(extension) == TYPES.f) {
            //register extension
            _pluginsExtensions.push({
              name: extensionName,
              extensionFactory: extension,
              defaultOptions: defaultOptions
            });
          } else {
            for (; i < _pluginsExtensions[LEXICON.l]; i++) {
              if (_pluginsExtensions[i].name === extensionName) {
                if (argLen > 1)
                  _pluginsExtensions.splice(i, 1); //remove extension
                else
                  return FRAMEWORK.extend(true, {}, _pluginsExtensions[i]); //return extension with the given name
              }
            }
          }
        }
      };

      return _plugin;
    })();

    if (JQUERY && JQUERY.fn) {
      /**
       * The jQuery initialization interface.
       * @param options The initial options for the construction of the plugin. To initialize the plugin, this option has to be a object! If it isn't a object, the instance(s) are returned and the plugin wont be initialized.
       * @param extensions The extension(s) which shall be added right after initialization.
       * @returns {*} After initialization it returns the jQuery element array, else it returns the instance(s) of the elements which are selected.
       */
      JQUERY.fn.overlayScrollbars = function (options, extensions) {
        var _elements = this;
        if (JQUERY.isPlainObject(options)) {
          JQUERY.each(_elements, function () {
            PLUGIN(this, options, extensions);
          });
          return _elements;
        } else
          return PLUGIN(_elements, options);
      };
    }
    return PLUGIN;
  }
));
